Energy of a solid sphere under nonstationary oscillations

作     者：PETROV Yu. SMIRNOV V. UTKIN A. BRATOV V. 

作者机构：St.-Petersburg State University Institute of Problems of Mechanical EngineeringRussian Academy of Sciences St.-Petersburg State Transport University 

出 版 物：《Science China(Physics,Mechanics & Astronomy)》 (中国科学：物理学、力学、天文学（英文版）)

年 卷 期：2014年第57卷第3期

页      面：469-476页

核心收录：

学科分类：08[工学] 080102[工学-固体力学] 0801[工学-力学（可授工学、理学学位）] 

基　　金：supported by Russian Foundation for Basic Research(Grant Nos.FRBR grants 12-01-33049,13-01-00598,12-01-31224,14-01-00814) scientific programs of Russian Academy of Sciences and grants of the president of Russia for young scientist and FP7 EU MARIE CURIE Project TAMER No.610547 

主　　题：nonstationary oscillations analytical solution material dynamics dynamic elastisity kinetic energy potential energy internal energy energy exchange 

摘      要：Analytical solution for spherically symmetric nonstationary oscillations of acoustic and elastic solid sphere is *** dependence of potential,kinetic and internal energy of a solid sphere is *** received results are of practical importance for a wide range of problems connected to testing of material dynamic strength parameters and to the problems of optimizing(minimizing)energy needed for fracture of solids.