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SCIENTIFIC ABSTRACT YERSHOV, I.M. - YERSHOV, L.V.

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CIA-RDP86-00513R001962910005-8
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December 31, 1967
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SCIENTIFIC ABSTRACT
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YICRSHOV, I.M., kand.takhn.mLuk; IVANDVA, V.I., inzh, Protection of contact not foundations and uprights fron electrolytic corrosion. Blek.i tePl-tiage- 3 na.9:18-20 S '5 9. (1411it 13:2) (Blectric lines--PoleR) Y12=Tq--'i49,'.kandtakhliiigi*~ TBV~MV, I-G., kand-tekbn.n&ixk Protection of cablas from corroqion caused by 149-tage currents In voltage stelVing-lown circuits# Avtome. tolome i sylaitt., no.5:8-10 My 160# (MIJU 130) (Electric cables-Corroolon) ....Wkh&y1ovic~j;-.4TSALAPEKKOp V.1.0 ingh., ratsWizent; j&RSWj4-jyp HOVIWp M.N., inzb., red.; VERINA, G.P., teklm. red. I corrosion protection of cables in Central Block Control and communication syst-ems]Zashchita kat*lei SUB i sviasi ot korra- sU.. Koekva,, Tran.szholdorizdato 1962. 127 p. (NM 16; 1) Weetple cablow-Gorrowl;A) tRallroad&~ipallnC-quek "Stem) (RALUloade-CommOddatiod, IOwtaft) ZAM-EIBOY L.K., kand. fiz.-riat. nauk; KARFOV, A.K. ) inzh.; LE00.13MY U, F.Ya., kand. teklai. nauk; !0JDM3Y, Yu.N.., kand. terelm. nauk; K11FWOV, H.S., inzh.; IMODAIN)VICH, I.Te., kanil. Ukhn. nauk; BRISMAN, A.A.., kand. tekhn. nauk; GOROMPT,5M, V.I., inzh.; NIKITIN, A.A., inzh.; GILL', B.V... inzh.,- 10AYZELIPIA11, S.M. 0 ,, inzh.; DZIUFAROV, V.D., inzh.; UMEV, A.S., kand. tekhn. nauk; NIKITMIKO, Ye.A., inzh.,- TERSHOV, I.M., kand. tekhn. 't"Al 6A,411- - - nauk; ZAYTSEVj Yu.A.j inzh.; MAGAZA1r1K;`ViJ-t. nz ., SMOVATOV, L.P., inzh.1 MYOVICH, 4"U.7a., inish.; B1131SIUX, A.V., inzh.; ASTXKHOV, V.A., dots.; WAYAGINp A.F... kand. tekhn. nauk; ANDERS, V.R.j, inzh.; SERGOVANTSEV, V.T., kand. tekhn. nauk., dots.; UTKIN, V.V., inzh.; ICUZUBTSOV, P.L., inzh.; MAMAYEV, M.A., inzh.; SVYATITSKAYA, K.P., ved. red.; FEDOTOVA,, I.G.1 tekhn. red. [Handbook on the transportation of combustible gases) Spra- vocbni.k po tralisportu goriuchikh gazov. Noskwap Gostaptekli- izdat, 1962. 887 p. (MIRA 15:4) (Gas, Natural-Transportation) SH it lovich, kand. tekbn. nauk; FA11FILI , DE!onid 0V, Ivan Mikhaj .ri- ------ ii -h ir.,zh. ~erfir . U101 C [Protection of atnicturer., against the action of railroad eddy currents) 2ashchitu sooruzhenii ot vuzdo:1jA,v1J.p bluzh- daiushchikh tokov ;helezrr(kh dorog. Yoskvao Transi.ort; 1965. 146 p. OMILU 18:9) i I 1i ll Ill VITI!, F"I'll ".! THT.N., 11 111 YERSOOV, VOLTYMZV, Ye', xanlusheimyy uchitall shkol Hoonlynkqp SotoUllotichotilroy Federativnoy Sovet*oy Respubliki (Moscow); GOLIMEV, K. (14oscow); KISZMA, A. (Moscow) [reviewers]; BOGDOOT, N.H.; BOHISOT, S.Ji.; HOY, I.S.; STRATILATOV, P.V. [authors]. W-U"" Now methodological ma=al for schools for the working youth ("Pro- blame in teaching mathematics in the 5th - 10th gradas of schools for the working youth.* H.H.Bogdanov, S.A.Bortmov, I.S.IrBhov, P.V.Stratilatov. Reviewed by Rjolyntsev, K.Golubev, A.Iizeleva). Kat.v ahkole no.6:74-75 N-D 153- (WJIA 6:12) (Mathematics--Study and teaching) (Technical adhication) (Bogdanov, N.M. ) (Borisov, S.A. (Brehov, I.S. ) (Stratilatov, P.V. ORLOV, S.F.F doktor tekbu, nauk; GOL'DBERG9 A.K., kand. tekba. nauk; BELOZIMOV. Te.Ta., aspirant; YEMOT, I.S., itzh.: IMEW, D.P., insh.; RAVDIS, F.D. Flrst attempts at the skidless conveying of tinber. Mekh. trud. rab. 11 no.lo16-8 0 (MIRA 10:11) (Lumber-Tranaportation) 11"I'llilli-M!"'N' i'M F rull", I Mil =11 i VASILIYEV, L.A.; GALANIN, A.G.; YERSHOV, I.V.2- SUNTSOV, G,N. Photoeleotric shadow method of study of nonateady-jitate Ta-onassesb Prib. i tokh. ekap. S) no.3tl95-199 My-Ja 164 '(141RA :1.8a1) ACCESSION NR: AP4041052 S/0120/64/000/003/0195/0199 AUTHOR: Vasil'yev, L. A.; Galanin, A. G.; Yershov, I. V.; Suntsov, G. N. TITLE: Photoelectric shadow method for investigating transient processes SOURCE: Pribory* i tekhnika eksperimenta, no. 3, 1964, 195-199 TOPIC TAGS: transient process, aerodynamic teat, shock tube, shock tunnel instrumentation ABSTRACT: As spark shadow photography yields only one picture and as superhigh-speed cinema is technically very difficult, a new shadow method is suggested which permits obtaining a time picture on an oscillograph screen. The method, intended for aerodynamic shock-tube studies, involves an optical scheme shown in Enclosure I - A small-si;re diaphragm D is placed after the Foucault knife edge H. The light paesed through the diaphragm falls on a multiplier photo- tube M whose signal is applied to a. pulsed electron oscillograph. An Card I / 3 i EXIM _U P U ACCESSION NR: AP4041052 inhomogeneity 1 between 0,1 and 0. causes a variation in the illumination of the diaphragm port and, therefore, is recorded by the oscillograph. A Z-Glit scheme permits measuring flow speeds (of the shock front and after region). Speed of the contact surface, duration of and nonequilibriurn processes in the working flow, gas glow after the shock wave, and impurity-caused glow were measured by the above method. Orig. art. has: 9 figures. ASSOCIATION: none SUBbUTTED; 04Jun63 SUB CODE: AC Card 2 13 NOREF SOV: 002 EWCL; 0 1 OTHE R., 003 d: ACCESSIM M AP4041052 01 , '., -I H 4 1/ 0 -H - 41, C X 4- ~ K M , .~,/ flam Optical scheme of th3 photoelectric shadow method E110LOSURS, 01 Card 3/3 VASILIYFV, L.A.; 'ERSHOVI i'VI Use of the diffract-Ion sha-4rv ~-,-thod in tine determination of thti intensity of a plnnt shork wnve Lit & model moving in a superoonic flow. DokI, AN S.S.'T. 157 no. 2: 317-320 ii 164. (ffli A -17.7'1 1. Predstavleno akadsimikcr-, 1,V.Obreimovym. i; T" F-t-al-Ti-ITF-L, -17? 1 a-, -,- 1- -TT 11 ri tj!jj;j WHIMPT.Hill 1 M11111- M"711f F, - i* 111 V V" i 1 !!! 1 !" YZiLSI-IOVY I. Ya. Steam turbines Consecutively operating condensers of two turbines. Rab. energ. 2 no. Libriry of Congress, May 1952, UNCI IF Monjh X Ljot gf 'ASS IM 3XMHOV. I.Ta... inzhoner. Installation of a ohatter-equipped ash collector JEi U 91401COStiLck. Nalor- getik I no.1:15-16 Je 153, (XLR& 6:8) (Aah disposal) Subject T)SR/Blectricity Card 1/1 Pdb. 29 - 9/3 0 Author t Yershovs I. Ya.y Enge Title : Utilization of the beat of flue gas Periodical i Energetiks St lls Ag 1955 AID P - 3224 Abstract t The author dederibed briefly an arrangement for irebeatim water with flue gas. Ono diagram. Institution t None Submitted i No date P 1~ i1 I i YERSHOT, I.Ta., doteant Universal diagram I - t for peato, IXToVT8o%LCheb*z&y*; onorct 3 no.4:139-141 Ap 160o (MIJU~ l3tO 1. Ivanovokiy khImiko - t ekhnologiaha ijkl~ -Ing t it tit Tzt, A.,"WL71 ona kafed.rojr toplotaidmiki i elektrotekhnikle (peat) UnIMEM I.Ya., doteent; XIJVAYEVA.9 A.H., insh. Effect of the degme of underheating on the beat emijollion coefficient in boiling, lzravys,uchebzave; energe :5 mooll: 84-01 11 162. ~ (MIRA 15-.:L2) 1, Ivanovskiy khimiko-telftologicheakiy institut, Prodstavlena kafedroy teplotelkhAki I elektrotekhnikis (Heat-Tiimomiasion) AMONOV, A.A., inzh. ; YERSHOV. Kj'_~h. Smala perforated ro.Uers for the formation of kemnzit ffranulGs. Stroi.mat. 8 no.1:29-30 Ja 162. 15:5) (Keramzit) ZJlUlKOV.?,~YU* I Textbooks fo~ the course oa the eccoomice of So-riot tr:i(jo ("The.natare.of Soviet trade. System and organization of the planning of Soviet' trade. Retail turnover an(l Its planniog," by z% IC'U. Oblovatakii. "Prices on consumers' goods* in the U. S.S.R.0 bY A. G, &Ilikov, 11.4.8notrina. Reviewed by L. Nrnhov and 11J.Zhukov). Sov. torg. 33 no-5:32-34 4 160. (MIRA 1-):Il) 1. Tekhniku;i rovutakoy torgovli, g.Kursk. (Russi4--Commerce) (rrices) (Smotrina, ~J.A.) (Oblamtskila F.IA.) (Ku3.iko,7:; A.G.) YERSHOV, L. [lErshov, L.J, kand.tekhn.nauk Increasing the water reBistance of structural gyjsum. Bud. mat. i konstr. 4 no.200-52 Mr-Ap '62. (IIAIIPA (Gypsmm) YERSHOV, --~. A. .- - - Promising varieties of quince. Xona. i ov.pron. 18 no.9:1:?-21 S 163. (19RA 16:9) 1, Stepnoye otdeloniye Nikitskogo botanicheskogo sada. (Quime-Varie ties) YERSHOVI L. A. "Special Problems of Inventorying Forrests of the Green Belt." (Diesertation for Degree of Candidate of Agricultural Sciences)Min Higher Education WSJ'., LeninUad Order of Lenin Forestry AcaderW imeni S. M. Kirov, Leningrad', 1955 SO: M-1036 28 Mar 56 6 'k S C' K USSR/Cultivated Plants - Fruits, Berries,, m-6 Abs Jour Ref Zhur - Biol., Ro 7, 1958, 30046 Author Yershov, L.A. Inst and Yakoviev, The Welding by Electric Riveting in Carbon Dioxide of Moulding Chain Links (Svarka zvenlyev formuyushchikh tsepey elektro- zaklepkami v arede uglekislogo gaza) ;vnrochnoye proizv0dotyor 19511, Ur 11, pp 17-19 (USSR) Information is presented on a method of the electric rJvet111P, in carbon dioxide of moulding chain links, USed in the pro- duction of large-size concrete plates. For this purpose TsNIITMASh designed a special device which consists of the "ADS-500" type automat, a special welding torch, a support4 a gas feed point and a "PS-6001, type transformer. The moderni- zation of the electric circuit of the described device con- sists in the control of the welding-rod feed by a "RVE-M, type electronic time-relay, The device and itj operation are described in detail and are illustrated by photographs and diagrams. The ',;elding by Electric Riveting in Carbon Dioxide of Moulding Chain Links Thero aro r- photont 1. olectric circuit (Ungn!i1n, nn(I 2 (Hn- grams. ASSOCIATION: Moskovskiy avtozavod im. Likhacheve (moncow lattomobile Plant imeni Likhachev) 1. Chains-Arc welding 2. Arc welding-Equipmemt 3. Carbon diaxide-4pplications Card 2/2 BOBRINSKIY, Yu.N.~ YERMICfV,,L.K.; GORBUNOVA, Ye.A., red.; TORSHINA, Yo.A. d W J~i, (Rekstance welding of xetals; from work practices of the Likhachev Automobile Plant] Kontaktaaia svarka metallov'; iz opyta raboty avtozavoda im. Likhachova. Foskva, MnLr. biuro tekhn. informatsiip 1959. 51 p. MBA 15:1) (Electric welding) s/135/60/000/007/01,3/014 A006/AO02 AUTHOR: Yershov, L.K., Engineer TITLE: Scient-ific-Technical Conference on the Organization of High-quality Welding at ZIL PERIODICAL: Svarochnoye proizvodstvo, 1960, No. 7, p. 42 Iv ~_v weld at ZIL TEXT: The Conference on the organl2ation of high-gualit was convened In Moscow from 16-18 February, 19060. The Conference was organized by the welding section~of the NTO for the machi4nebU4 lding industry and the GNTK pri Sovete Ministrov Rab`R 'TM at -the RSFSP Council of Ministers. The Conference was attended by 235 representatives from 72 plants and organizations. Sixteen papers and reports were heard. The Conference was opened by an lntrod=tory paper delivered by K.V. Stroganov, Chief Eng!neer of ZTL, who i~eport,,.~d on the measures to be taken for developing the welding practice at the plant. VYaL. Dubovestkiy, representing-. the Institut elektro avarki imani Ye.O. Pa-tonft All USSR (~!Itj,~ute of Electric Welding Iment Ye.O. Paton, AS UkrSSR), reported on problems connected with the further velopment of welding engineering in industry, R.S. Reznichenko. rep- resentative of GNTK at the RSFSR Council of Ministers, deliveri-.i a paper on the development of' weicting engineering in automobile building during the Seven-Ye ar -Plan. Card 1/2 S/135/60/000/007/013/014 A006/A002 Scientific-Technical Conference on the Organization of High-quitlity Welding at ZIL The author, head of the central welding laboratory of ZIL, presented Information on requirements to welding engineering and on organizational problems.- GI,,_ Samonoy, head of the ZIL press department, G.D. Svidersk De uty head of the household refrigerator shop, and M.M. ElaUig._,head of the electroslag welding office, reported on the outlooks of organizing a department for high-quality welding production at the plant. N.A. Chuvakqv_,head of t1je designing office of welding, I.L. Drapk n and A.Ya., YalWshin kiy, representatives from the "Flak~MJX" PlaU, reported on new dezigns and systems and on the operation of multi-electrode machines and automated lines for assembly and welding of cabins. N.M. Nikitinykh, head of the welding department of the Baltiyskiy zavcd (LaItle F _V .FZ_'UAt4' . chief welding operator of the Kolomenskly teplovozostroitefnyy .,avod (Koloiima Locomotive Building Plant), communicated their UP0111ences in the organization 7T high-quality welding practice. The reports were followed by a d1souzsIon. 11%e Conference approved the trend of work carried out at ZIL. ASSOCIATION; ZIL Card 2/2 CHISTYAKOV, Ye.N., insh.; KMM73KIY, S.I., kand.tekhn. nauk Comparative resistance of electrode alloys during spot welding. Svar. proizv. no.10:24-26 0 160. (MIRA 13.9) 1. Moskovskiy avtozavod im. Ukhacheva, (for ChIstyakov). (welding rods) VLADIMIRSKIY, T.A., doktor tekhn.nauk; VROBUVSKIY, R.V., inzh.; OV, L.V.. inzh.; GODIN, Y.M.. kand.tekhn.nauk;; allZOV, S.G., inzh.: GMTAM, A.I., KOCIWIOVSKIY. H.Ya., kand.tekhn.nauk; LTUBAUKIY. 2:.V., prof., doktor tekhn.nauk; PATON, B.Ye.. akedemik, prof., doktor teklui. nauk; RABINOVICH, I.Ya., kand.tekhn.nsuk; RA1DA&M1:ffICH# I.Me. inzh.; RYKALIU, N.H., prof.. doktor tekhn.nauk; SIMMOR, O.Sh., inah.; KHaUOV, K.K., skademik, prof., doktor tekhn.nauk; GMEWAK, V.S., inzh,; CHMOMIKOV, P.L., inth.- SHCRSHOROV* K.Kh., kand.takhn.nauk; BRATUNA, O.H., prof., dolctor takhn.tauk, nauchnyy red.; BRIITBEaG, I.L., kand.tekhn.nauk, nauchm~7 red.,# GMIMM, A.B., Prot,, doktor takhn.nauk, naucim", red.; KONDRATOVIGH, V.M., inzh.i nauchnyy rod.; KRASOVSKIT, A.I., kavA.tekhn.nsuk, nsuohnyy red.; SKAKM# G.V.',.k;and*tekhn*nauki nauohnyy red.; 4OK%.OV, TaJ., Insht, red.; IVAROVA, X.N.. insho., red,imd-va; SOKOLOVA, T.Y., takhn.rode [Welding handbook] Spravochnik po avarks. Rosim, fte.nauchno- tekhn.izd-vo mashinootroit.lit-ry, Vol.l. 1960. 556 p. (MIRA 14:1) 1. AN USM (for Paton Khrenov)j Z..0h1*&vftmopoiidenty.0 SSM (for Rykaling Khrenov;- (Welding-Handbooks, manualso etce) YEASHOV, L.K.; GORIN, F.I.; AKULOVy Ye.F., red.; KIREYET, M.L., red.; V.K.,, red.; SAVELIYEVp V.I.,, red.; CMAYOV, N.14.# red.; KAGAIIOV~ II.L.0 red.; UIUMOV., G-Ye., teklmo redo (Economical use of electricity in welding) Ekonomila elektroonergii v avarochnom proizv'odstve. Moakvap Gosonerg.Ud-vo., 1961. 94 p. NIRA 14: 12) (Electric welding) M HOVg L.Kp inah. Organization of model prodaction welding at the Likhachev Automobile Plant, Svar. proizv. no.2sl5-20 F 161., (KM 1J.:1) (Moscow-Automobile industry) Nbidin) YERSHOVp L.K. Saving electric power in welding shops. Ayt.pwora. 28 no.8:36-38 Ag 162, (KMA 16:3) 16' 14bakovskly avtozavod Imai T.Ikbacheva. (Electric welding) -~J BLOSHKIV, Ye.G., inzh.;.2 WO L.K., insh. Introducing the bbilt-up welding of dies. Svar,,Ixoii:v, no.ls26-28 Ja 162. (KIM 15 t 3) 1; Moskovskly opytnyy svarochnyy mavod (for Bloabkiii). 2. Moskovskiy osavod in. Likhaabava (for Yerahov:lo "rDies(Hatalworking);44aintenance and rerpair) 124-58-6-6992D Translation from: Referativnyy zhurnal, Mekhanika 1115B, ',,;r 6, p 105 (USSR) AUTHOR: Yershov, I.. V. TITLE: The El-tstic-plaslic State of Nearly Circular Thick-walled Tul7es (Uprugo-plasticheskoye sostoy,,iniye tol-st.ustennyl(h trub, blizkiki, k krugovym) ABSTRACT: Bibliographic entry on the author's dissertation for the degree of Candidate of Physical and Mathematical Sciences, pres-mted to the MGU (Moscow State University), Moscow, 1957. ASSOCIATION: MGU (Moscow State University), Mosc*oW, 1. Pipes--Plasticity 2. Pipes--Elasticity Card 1/1 Iff IN! 01117,911117111111, SOV/1 Z11-58-5 -5 7&4 Translation from: Referdti%,nyy zhurnal, Mck-hanika, 1958, Nr 5. p 122 (USSR) AUTHORS: Yershov, L. V. , 1vlev, D. D. TITLE: Elastic-plastic Condition bf a Tapered Pipe Under the Action of Internal Pressure (Uprugo-plasticheskoye sostoyaniye konicheskoy truby, nakhodyashcheysya pod deystviyem vnutren- nego davleniya) PERIODICAL: Vestn. Mosk. un-ta Ser. matern. , mekhan. , astron. , fiz. khimii, 1957, Nr 2, pp 51-5Z ABSTRACT: Bibliographic entry 1. Pipes--Elasticity 2. Pipes--Plasticity 3. Pipes--Pressure Card 1/1 AUTHORS: _Iers~ov, L.V. and IvIev, D.D, (Mosco-4). 24--7-18/28 TITLE: Elastic-plastic stress state of a hollow thick walled toroid subjected to the effect of internal pressure. (Uprugo-plasticheskoye napryazhennoye sostoyaniye pologo tolstostennogo tora,-nakhodyashchegosya pod deystviyem vnutrennego davleniya). PERIODICAL:"Izvestiya Akademii Nauk.Otdeleni-.Ye Tekhnicheskikh Nauk" (Bulletin of the Ac.Sc., Technical Sciences Section), 1957, No.7, pp.129-131 (U.S.S.R.) ABSTRACT: The problem is solved in the linear formulation on the basis of the assumption that the toroid curvature is small. The toroid under consideration is assumed as being formed by the rotation of a ring withtheradii a and b about some axis located in the plane of the ring. There is one Slavic reference. SUBMITTED: April 22, 1957. AVATTA T : f f V t1 AUTHORS: Yershov, L. V. and Ivlev, D. D. (Moscow). 24-8-26/34 TITLE: On buckling of a thick walled tube subjected to the effect of internal pressure. (0 vypuchivanii tolstostennoy truby, nakhodyashcheysya pod deystviyem vnutrennego davleniya). PERIODICAL:"Izvesti,la Akademii Nauk,,OtdeleniYe Tekhnicheskikh Naukil (Bulletin or the Ac.Sc. TeCh=CSISclences Sectlon), 1957, No.8, pp.149-152 ZU.S.S.R.) ABSTRACT: The problem is considered of buckling of thick walled tubes in the case of plane defoxmation under the effect of internal pressure. Tubes are investigilt-ted Milch are made of material which gets work hardened, using the theory of small elastic-plastic deformations and also tubes made of ideally plastic material. It is assumed that the load is sufficiently intensive to be able tor disregard the elastic load relief of the tube during buckling. A tube made of ideally plastic material will lose its stability at a lower internal pressure than that at which it will lose the carrying capacity and, therefore, the qualitative Card picture of the plastic flow of material of a circular tube will be near to that described in an earlier paper of the author (4). There are 2 figures and 5 Slavic references. SUBMITTED: December 28, 1956. AVATLA *. Library of Congress AUTHORS: Yerskjqv, L.V. and Ivlev, D. D. (Moscow). 24-9-22/33 TITLE: Elastic-plastic state of an elliptical tube subjected to the effects of internal pressure. (Uprugo-plasticheekoye sostoyaniye ellipticheskoy truby nakhodyashcheysya pod deystviyem, vnutrennego davleniya3. PERIODICAL: Izvestiya Akademii Nauk SSSR, Otdeleniye Tekhnicheskikh NaWlt, 1957, No.9, pp. 130-134 (USSR) ABSTRACT: The elastic-plastic stresses and strains are investigated in a tube with a small ellipticity for plane deformation subjected to an internal pressure. The problem of loss of carrying capacity of such tubes is also considered. The solution is sought near the known axis-symmetric stress state of a circular tube subjected to an equal internal pressure in the case of plane deformation, using formulae from the book "Theory of Plasticity" of Sokolovskiy, V.V. (eq.1.1). There are 2 figures and 2 Slavic references. SUBMITTED: February 5, 1957. AVATT,A I : Library of Congress. Card 1/1 A 411 1 41111" 1; W11P4091111 U 116.ii I UIJ ~ f I 1WIII-',I wir I I IVLEV. D.D. Elastic and plastic conditions of a conica.1 tube under the action of an inside prebsure. Vest.gook.untSeronatt,mokho, astron.,fiz.,khim. 12 no.2:51-52 157. 01M 10.- 12) 1.Kafedra teorii uprugosti KoskOVBkogo universiteta. (Elastic plates and shells) (Plasticity) YICRSHOV Nlastoplasic state of the excontric 01ch was abratched on olastle shaft. Vest. Moak. un. Ser. mat#0 mekh., aatron., fiz. khim., 12 no.5:13-16 157. (HIRA 11:9) I.Kafedra teorii uprugootl Moskovskogo gosudaretvonnogo universiteta. (Plasticity) 66, ~i6i' AUTHORS: Yershov, L. V., and Ivlev, D. D. (bloscow). 24-1-18/26 TITLE: On the loss of stability of rotating discs. (0 potere ustoychivosti vrashchayushchilzhsya diskov). PERIODICAL: Izvestiya Akademii Nauk, Otdeleniye TeIdmicheskilch Nauk, 1958, No.1, pp. 124-125 (USSR). ABSTRACT: A rotating disc of uniform thickness is considered in a state of equilibrium, wherein inzide a certain radius the plastic state of stress has been reached. The equations of equilibrium are set up and the boundary conditions are formulated on the periphery of the disc and at the boundary betmieen the elastic and plastic regions. Solutions are sought in which the disc periphery is distorted from the initial circle into a sinusoidal curve. To each number of waves there corresponds a critical speed expressed. as a multiplying factor of a speed parameter. The parameter is the reciprocal of the initial disc radius tirfies the square root of the yield stress divided by the inass density. For the single wave periphery, the mulbiplying factor is 1.5118. This corresponds to an eccentric shape Card 1/2 associated with a resultant force increasin6 the Wilill in On the loss of stability of rotating discs. 24-1-18/26 eccentricity. Thus, the disc loses its ste~bility. It is thouGht that the rotational speed so detLined is its failure speed. There is one Russian reference. SUBUITTED: June 30, 1957. AVAILABLE: Library of Congress. Card 2/2 16(l) AUTHORSs Ivlev, D.D. and SOV/55-58-2-7/35 TITLEt On the Approximate Solution of Axial-Symmat,Via Elatito- Plastic Problems by the Method of the $mall Parameter (0 priblizhennom reshenii osesimmetricheskikh uprugo- plasticheskikh zadach metodom malogo Darametra) PERIODICALt Vestnik Moakovskogo Universiteta. Seriya ratenatiki, mekhaniki, adtronoftii". fiziki, khidi, ' Y) 1.1 1958,Nr 2,PP 47-56 (USSR) ABSTRACTs The axial-symmetric elasto-plastic problem of ideal plasticity theory is solved by the method of the small parameter, whereby the well-known solution for the plane state of deformation servei3 as zeroth approximation. The material is supposed to be incompressible. As an example the authors determine the elasto-plastic state of a thick- walled tube of conic form which is loaded by internal pressure. The authors thank A.Yu. Ishlinskiy for valuable indications. There are 3 figures, and 6 references, 5 of which are Soviet, and 1 English. ASSOCIATION: Kafedra teorii uprugosti (Chair of Elasticity Theory) 11doscov Univ.] Card 1/2 16(1) AUTHOR: Yershov, L.V. SOV/195-53-3-3/130 TITLEs Elasto-Plastic State of' Conic and CurTed Pipea (Up.,,-ugo-- plasticheskoye sostoyaniye koni.cht4Bkoy i.ishx_Lv1ennoy "rub) PERIODICALs Ves-tnik Moskovskogo universits-ta,Seriya fizikei-matemst-Lo'hes- kik.h i yestestvennykh nauk,1958 Nr 3,pp 19-26 (ussii) ABSTRACT: By-merars- af- the- therorr-af- &mall elasto-plastl~v deformationri of Il i yunhin [Ref t7 the au ~hor invootign teil thn a1fts t, tj -plastic state of a thick-walled conic pipe and of a tbf.,-,k- walled- -torrff,-uffder-pota,,jf:i&lly Tariable strain harden-I ag., The-e-oluti-ens are obtainact by linearization. Under s-appositioa of ideal plasticity the two problems have alripady I)fzen formerly considered (D,,D. Tv)ov and Yerriklov, /'[lof ",1,4 There are 5 figureag and 4 Soviet refexences. ASSOCIATIONt Kafedra teorii uprugosti (Chair of' Elwiticity Tbeor-y) 8DM!!TTEDs April 24, 1957 Card 1/1 AUTHOR: Yershov, L. V. (Moscow) SOV/179-59-3-22/45 TITLE.- Approximate Solution of Axially Symmetric Elasto-plastic Problems (Priblizhennoye resheniye esesimmetrichnykh uprugo-plasticheskikh zadach) PERIODICAL: Izvestiya Akademii nauk SSSR, Otdelemiye tekhnicheskikh nauk, Mekhanika 1 mashinostroyeniye, 1959, Nr 3, PP 139-142 (U5SR) ABSTRACT: The method of small parameters (Refs 1-5) is applied to the solution of some axially symmetric elasto-plastir- problems. The equilibrium equations, the Tresca-St Venant plasticity conditions, the lavr of plastic flow, the boundary conditions and the conditions of continuity at the elastic and plastic boundaries are set up in spherical coordinates. The stress and strain components are assumed to be represented by power series, and a solution is obtained on the basis of this assumption. The solution is specialised to apply to a sphere with an eccentric hollow subjected to an internal pressure. There are 7 Soviet references. SUBMITTED: January 8, 1959 Card 1/1 YERSHOV, L.V. (Moxkva,) Axially oy=etrical loss of stabihty of a thiclncral.leff a-phe rical shell subjected to uniform pressure. F14TP n0-4291-- 82 V-D 160. (MIRA V~.-7) (ElAntio plaWs and Phallo) 88529 to S/179/60/ooo/oo6/027/036 12JI2 E081/F,135 AUTHOR: TershovL_L-V---(MoscoW) TITLE: Elasto-Plastic State Near a Spherical Cavity PERIODICAL: Izvestiya Akademii nauk SSSR,Otdeleniye tekhnicheskikh nauk, *Mekhanika i niashinos troy eniye, 1960, No. 6, pp. 155-156 TEXT; The paper is a continuation of previous work (Ref.4,1. An accurate solution of the analogous plane problem lias been given by L.A. Galin (Ref-1). The approximate solution obtained here is derived by the method of small parameters (Refs 2-10. The origin of the cylindrical coordinate system R, z coincides with the centre of the spherical cavity (figure). A tensile force P, acts at infinity in the R direction and a force P2 acts in the z direction ('?JL > P2)- The boundary conditions are given by: 00 0u 00 PI, (r P = 0 (rR = z 21 z and a uniformly distributed pressure p acts on the surface of the sphere (see figure). The solution is sought in a spherical Card 1/6 88529 S/179/60/000/oo6/027/o36 E081/E135 Elasto-Plastic State Near a Spherical Cavity coordinate system r, 0, y, and the material is assumed to be ideally plastic, obeying the Tresca plasticity conditions 2 2 (Cr - 4re) + 4r = it (r = 1/2 ((r + ale) + 1 (2) r r~ (P r At infinity the conditions are given by: cr = qo + qI cos 29, cre = qo - q' cos 20, -91 sin 20 r ro (3) (qo = (P1 + P2)/2, q' = (Pl - P2)/2 The stresses are written in the form Cri j j.L j + j'I assuming that the quantities containing squares of the printed components can be neglected in comparison with unity. For P1 = P2 the stresses are given by: Card 2/6 5/279/60/000/006/021/o36 E081/E135 Elasto-Plastic State Near a Spherical Cavity 0 t + 9-0 0 + P. 3 2 P c OP -p+4lnT *01P p + 2 ii + 2 In fV0 all (p b, a - a b, r,4 / b) wh er e ais the radius of the spherical hole,bits the rad*us of a certain sphere surrounding the cavity,1 r: is the radius-of the plastic zone. Using the conditions (2), the equilibrium equations, and the boundary conditions on the surface ot the Cavity, the following equations are obtained: P P = lr~ p 0 OGP = 0' Y The stress components in the elastic tone are obtained as: Card 3/6 Im I., 31I.P614W W1,461mm.1111 w IIq S/179/60/000/006/027/036 E081/E135 Elasto-Plastic state Near a Spherical cavity 18C 3ApI + 2B - + "'] P, (coo 0) - [3A, - 'a Ps (coo 6) 4B + ID P. [5AP, + D I dpe [45Ap- + B + ctflo [3A, + Dal Pe (COS 0) 7j 31 P. (COS 6) + [&4 P, + * + D dPe OAps + 2D - B oflo 3C 4D dP Too [8Ap3 + 8 + (Ref.6), where PO(cos 0) and P2(cO8 0) are Logendre polynomiali, Satisfaction of the conditions (3) and (5) and asaumption that t~e boundary of the' plastic zone has the form: es = PO + Pl (0), the continuity conditions: Card 4/6 S/179/60/000/006/027/036 EOSJL/EJL35 Elasto-Plastic State Near a Spherica I Cavity I p Ir I a go 16 0 a' I p = o' 1 0, 0 01 Z aolp] for go Ic (7) Finally we obtain;for the stresses: 4 [t - 5 + 4 P, (ws 0) - [j P. (4050) P P to 7 t 4 to + P T - -T -1 i's (dorl 0) P, Q + + dP q,[1+! , , P V k7) - 3 3 401's (cos 0) + Pe (COs 0 2 shown in the figure. The distribution of the plastic zone is There are 1 figure and 6 Soviet references, Card 5/6 88529 S/179/60/000/006/027/036 E083L/E135 Elasio-Plastic State Near a Spherical Cavity ",Cj IF SUBMITTED: August 3, i96o Card 6/6 MASLONIKOV, M.S., kand.takhn.nauk; TUMOV, L*V.# inish. Taboratory tents of b=kar cuohions. glak.sta. 31 no.2:11-15 F 160. (MIRA 1335) (Fuel-T$torage) I YERSHCVo L.V. (Moskva) Format")n of necks in flat spocimns sijbJejatrid V) tainpi-~n. PMTF n0.1:135-137 Ja - F 161. (MIRA 14:6) (Deformations (Mechanics)) YERSHOVO L.V. (Moskva)-, TELIYANTS, V.N. (Moskva) General relationships of the dimensionless parameter ,Pthod in axisymmetric problems in the theory of slight elastiei-pUstie deformations. PMTF no.3:104-106 S-0 161. (MIRA 14:8) (Boundary value problems) (Elasticity) (Deformations (Mechanics)) vQ-TiOBITEVI B. M. p dots ant; YBVMMMO, V. A., starehiy prepoclavatell; dotmnt Using lineAr progrmmdaW maihode -to determine optimm rock flowagea in mines. Isr. vys. ucheb. save; gor* zhuro ilo,9: 77-79 161. (KM 15:10) 1. Moskovskiy gorkV institut Imeni. Stalina., Rekomnd(mna laboratoriyoy elektronnogo modelirovan (Mi4ng engineering) YXRSHOV, L.V.; IVLEV, D.D, Stability of a strip undmr comprasmiou. Dokl.AjI SM 138 mo.5t 1047-1G49 Je 161. (MIRA 14 16) 1. Predstavleno akademikom A.Yu*Iohlizwkia* (Elasticity) I ! ;I- I-i 4; 1 . I -'! ; I ~ 11 1 1-. i-mul m., .. ............ .. YERSHOV, L.V. (Moskva) Occurrenqe of rock preasure in a vertiale mine abaft, IZ7.iN SS.9P-.Otd4 tekh,nauk,146kh.i mashinostr. no.6:103-107 4-D fUe (MIRA 151.12) (Rock pressure) t

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