本研究用热弹塑性方法分析铸造应力框自凝固到冷却过程动态热应力。
In this research work, the thermal elastic-plastic method is used to analyze the dynamic thermal stress in the stress-frame specimen during its solidification and cooling process.
热弹塑性有限元法和固有应变法是焊接变形预测的两种主要数值方法。
Thermal-elastic-plastic and inherent strains FE methods are two means, which have been applied to the prediction of welding deformation.
应用有限元方法建立了可考虑屈服应力温度相关效应的粗糙表面热弹塑性接触模型。
A thermal elastoplastic contact model which can take into account the effects of temperature-dependent yield strength was developed by using finite element method.
采用子结构方法把耦合热传导分析和热弹塑性分析的区域局限在一个较小的范围内。
The sub-structure method applied in this paper successfully confines the coupled heat conduction analysis and thermo –elastoplastic analysis in a much smaller range.
采用热弹塑性有限元方法,对平板对接接头中焊缝金属强度组配对焊接残余应力分布的影响进行了研究。结果表明,对于高组配接头,纵向残余应力的峰值接近焊缝金属的屈服极限,出现在焊缝中心。
In this paper the effect of strength matching of welded joint on welding residual stress distribution in plate welded joints was studied by an thermal elastoplastic finite element method.
采用随机有限元方法, 针对某燃气涡轮盘-片进行了热流固耦合及接触热弹塑性分析,得到了随机应力应变响应;
Heat-fluid-solid coupling and contact thermo-elastic-plastic analysis was carried for a certain turbine blade-disc, and the stress and strain-time course was obtained in this paper.
采用随机有限元方法, 针对某燃气涡轮盘-片进行了热流固耦合及接触热弹塑性分析,得到了随机应力应变响应;
Heat-fluid-solid coupling and contact thermo-elastic-plastic analysis was carried for a certain turbine blade-disc, and the stress and strain-time course was obtained in this paper.
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