AbstractThe quasi-static uniaxial tensile test was carried out on the 7N01 aluminum alloy for the EMU to obtain the stress-strain curve.The reverse calculation method of curve fitting and finite element simulation optimization was used to find the parameters of aluminum alloy Johnson-Cook model.The...
temperaturestresstriaxiality.Thecorrespondingmodelparameterswerecalibratedbasedtestdatafiniteelementsimulation.ThevaliditymodelparametersTaylorimpacttests.Keywords:solidmechanics;mechanicalpropertytest;strengthductility;JohnsonCookconstitutiverelationfailuremodel 近年来,由于军用和民用领域的推动,特别是在911 事件之后,冲击爆炸问题...
simulation.The validity of the model parameters was verif ied with Taylor impact tests. Key words:solid mechanics;mechanica l prope~y test;strength and ductility;Johnson—Cook constitutive relation and faill】re model 近年来 ,由于军用 和民用领域 的推动 ,特别是 在 91 1事件之后 ,冲击爆炸问题越来...
关键词:岩石;Holmquist-Johnson-Cook;LS-DYNA;数值模拟;侵彻深度 中图分类号:TJ012 文献标志码:A doi: 10.6052/j.issn.1000-4750.2012.10.0780 DETERMINATION OF HOLMQUIST-JOHNSON-COOK CONSITIUTIVE MODEL PARAMETERS OF ROCK FANG Qin , KONG Xiang-zhen , WU Hao , GONG Zi-ming (College of Defense ...
Statistical Determination of Johnson-Cook Model Parameters for Porous Materials by Machine Learning and Particle Swarm Optimization Algorithmadditive manufacturingThis study developed a reliable methodology combined by the machine learning technique, that is, multi-task Gaussian process regression (MTGPR) and...
关键词:岩石;Holmquist—Johnson—Cook:LS—DYNA:数值模拟;侵彻深度中图分类号:TJ012文献标志码:Adoi:10.6052/j.issn.1000—4750.2012.10.0780DETERMINATIoNoFHoLMQUIST—JoHNSoN—CooKCoNSITIUTIVEMoDELPARAMETERSoFRoCKFANGQin,KONGXiang-zben,WUHao,GONGZi—ming(CollegeofDefenseEngineering,PLAUniversityofScienceand...
model parameters was verified with Taylor impact tests. Key words :solid mechanics ;mechanical property test ;strength and ductility ;Johnson-Cook constitutive relation and failure model 近 , , , , 年来 由于军用和民用领域的推动 特别是在 型来表征材料行为 一类表征塑性流动 另一类表征材 911 , 。
Q235B钢Johnson_Cook模型参数的确定_林莉
砂岩Holmquist-Johnson-Cook模型参数确定
[11]贾翠玲,陈芙蓉.7A52 铝合金Johnson-Cook 本构模型的有限元模拟[J].兵器材料科学与工程,2018,41(1):30-33. Reverse Calculation Method for Johnson⁃Cook Model Parameters of 7N01 Aluminum Alloy LYU Siyu1,2,3,ZHONG Mu1,2,3,GE Kai4