本文采用有限元模拟的方法,结合金属成形的塑性变形理论,深入分析了拉弯的成形机理,建立了用于转台式拉弯成形模拟的有限元模型。
By using finite element simulation method and plastic distortion theory, the author analyzes the principle of the stretch bending forming and builds finite element model of rotary stretch bending.
基于韧性单晶体实验现象,建立了描述晶体塑性变形的离散滑移模型。
Based on the experiment results of single crystals, a discrete slip model is established to describe the crystal plastic deformation.
分别根据该曲线的弹、塑性变形段确定相应的线性、非线性模型参数。
The respective linear and nonlinear model parameters are determined according to these isochrones' elastic-plastic deformation segment.
文中提出了一个双相合金超塑性变形晶粒三维重排模型。
A model is established to describe the three-dimensional grain rearrangement in duplex alloy during superplastic deformation.
铝合金导线拉拔成型塑性变形大,数学模型复杂,集几何非线性、边界非线性、材料非线性于一体。
Drawing process of aluminum alloy wire has large plastic deformation, which mathematical model is complicated including geometric nonlinearity, boundary nonlinearity, material nonlinearity and so on.
考虑恒定的热传递和热弹塑性变形引起的粗糙峰变形,对多层介质粗糙表面热弹塑性接触模型进行分析。
A thermal elastoplastic asperity contact model is investigated, which takes into account the steady-state heat transfer and the asperity distortion due to thermal elastoplastic deformations.
该模型中考虑了弹塑性变形与损伤的耦合作用。
In the elastoplastic-damage model, the coupling between elastoplastic deformation and damage is considered.
本文根据铅的刚塑性本构关系,利用均匀塑性变形能法,推导了铅挤压阻尼器的阻尼力滞回模型。
Based on the rigid plastic constitutive equation of lead, the damping force model of lead extrusion damper was deduced from the even plastic deformation energy method.
采用塑性变形理论和刚粘塑性材料模型研究了直流电阻对焊接头的塑性变形。
The joint deformation of DC upset butt welding was studied by using theory of plastic deformation and rigid-viscosity plastic material model.
从材料的多晶体结构角度,基于晶体塑性变形理论建立了多晶体模型。
From the viewpoint of multi-grain structure of material, a polycrystal model is founded based on the crystal plasticity theory.
模型考虑容器壳体材料的弹性、塑性变形,适用于容器外壳在塑性变形范围内发生破裂的问题。
The elastic-plastic deformation of the vessel shell is taken into account in the model to suit for the crack problem of the vessel shell in the plastic deformation range.
建立了一种土壤非线性力学模型,可以反映土壤弹塑性变形和振动轮跳振等不同压实阶段特点。
This paper advances a nonlinear dynamic model dealing with the jump vibration for the drum of a vibratory roller.
结果表明,基础隔震模型隔震效果明显,隔震层滞回变形能有效吸收地震动输入能量,减小模型结构的塑性变形和累积损伤。
The results show that the rubber isolated bearing is very effective in reducing the seismic response and dissipating the input energy of the superstructure.
结果表明,基础隔震模型隔震效果明显,隔震层滞回变形能有效吸收地震动输入能量,减小模型结构的塑性变形和累积损伤。
The results show that the rubber isolated bearing is very effective in reducing the seismic response and dissipating the input energy of the superstructure.
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