弹塑性模型

  • 网络Elastic-plastic model;BExM
弹塑性模型弹塑性模型
  1. K0固结-CTC路径下砂土的弹塑性模型

    Elastoplastic Constitutive Model of Sand under K_0-CTC Stress Path

  2. 弹塑性模型RC框架计算机内力分析

    The Analysis of Internal Force of Plastoelastic RC Frame With Computer

  3. 分析弹塑性模型的特点之后,提出了一种以塑性功ωp和塑性剪应变εps作为硬化参量的双屈服面模型,它可以较好地反映硬化剪胀土的变形。

    A double-surface model of dilative soils is put forward with plastic work and plastic shear strain as hardening parameters .

  4. 用有限元多晶体弹塑性模型预测FCC金属冲压变形后的织构和塑性各向异性

    Prediction of plastic anisotropy and texture in FCC metal by finite element polycrystal model

  5. 该文根据梁的动力屈曲基本方程,采用线性强化弹塑性模型及BR准则,对梁的弹塑性动力屈曲问题提出了一种简化计算方法。

    Based on differential equations of dynamic buckling of a beam , a simplified method is presented to solve the elastic-plastic dynamic buckling of a beam .

  6. 依据二维流体弹塑性模型及二维断裂处理方法,研究X射线热击波在圆柱壳体内的传播规律。

    In this paper , the propagation of X-ray thermal shock wave in cylindrical shell is studied according to the two-dimensional fluid-elastic-plastic model and two-dimensional fracture method .

  7. 构造EPS块体的压缩黏弹塑性模型与实验结果的误差为0.37%。

    The system deviation between the constitutive model for viscoelastic plasticity of EPS in block form and the experimental data was 0.37 % .

  8. 根据经典率无关弹塑性模型的Euler向后完全隐式积分算法提出了非饱和多孔介质化学-水力-力学耦合本构模型的隐式积分算法并推导了一致性切线刚度阵。

    Based on the definition of implicit Euler backward integration scheme for standard plasticity , an implicit integration algorithm and the consistent tangent moduli are presented for the chemo-hydro-mechanical constitutive model .

  9. 弹塑性模型可忽略土弹簧刚度对管道计算结果的影响,而Winkler模型则要考虑到土弹簧刚度对其的影响。

    It can be neglected by adopting elastic-plasticity model that soil spring stiffness impacted on the pipeline calculation results , but Winkler model can ' t.

  10. 对桩&土间的相互关系使用接触单元进行模拟,采用DP弹塑性模型来反映土体的本构关系。

    On pile-soil interface , mechanics properties of contact surface are simulated by contact elements , and soil nonlinearity is simulated by DP elastic-plastic model provided by ANSYS FEM program .

  11. 在五元件黏弹塑性模型中,改进Maxwell体中的弹性体和非线性黏性体分别模拟瞬时弹性变形和黏性流动变形,Kelvin体和St。

    Venant plastic substance . The elastic component and the non-linear viscous component of the improved Maxwell model can simulate the instantaneous elastic deformation and visco-plastic deformation respectively . The Kelvin model and St.

  12. 接着紧密联系工程实际,运用Drucker-Prager弹塑性模型,通过有限元程序ANSYS对路基拓宽工程进行了非线性有限元分析。

    In the following , the paper contacted with the fact in the engineering , using Drucker-Prager elastoplastic constitutive model and FEA program ANSYS , and carried out the nonlinear finite element analysis of the widening project .

  13. 建立了火炮身管在Mises屈服条件和理想弹塑性模型下的液压自紧理论,并与目前工程上常用的修正Tresca屈服条件下的结果进行了比较。

    Liquid pressure autofrettage theory of gun tubes by Mises yield condition and ideal elastoplastic model is established and compared with that by modified Tresca yield condition in this paper .

  14. 以上海某临近隧道的基坑工程为背景,采用Mohr-Coulomb弹塑性模型,运用有限元方法计算模拟了基坑开挖的不同阶段。

    According to the practice of deep excavation neighboring the tunnel in Shanghai , the application of elastoplastic finite element method with Mohr-Coulomb model to simulate different construction stage of deep pit excavation is presented .

  15. 测试并论述了饱和黄土的粒度成分、化学成分、矿物成分、微观结构等方面与工程特性的关系,采用Drucker-Prager弹塑性模型与关联流动法则,模拟了传统钻爆法开挖时的隧洞稳定性。

    It examined and discussed relationship between engineering properties and granularity , microstructure , chemical and mineral ingredients . It also analogized stability of tunnels by traditional method with principal of Drucker-Prager associated flowage .

  16. 在杆端多弹簧弹塑性模型中引入了断裂机制,采用根据J积分撕裂模量法建立的判别裂纹失稳的失效评定图设定模型参数。

    The fracture mechanism is introduced into an elastic plastic model , which is composed of several non linear springs at the end of the members . The failure assessment diagram of fracture based on the J integral theory is adopted for the calibration of the model parameters .

  17. 本文在深入研究了本构数值积分算法的基础上,采用了半隐式图形返回算法,对Lade-Duncan弹塑性模型,推导了该模型的半隐式算法方程式,编写了相应的计算程序。

    In this paper , the semi-implicit return mapping algorithm has been developed to cope the integration of the Lade-Duncan elasto-plastic constitutive model .

  18. 在不同的塑性指数和载荷条件下,该模型与GW弹性模型和CEB弹塑性模型就实际接触面积和法向距离的预测结果进行了对比。

    The model developed is compared with the GW elastic model and CEB elastic-plastic model on their predicted real contact area and mean separation for a wide range of contact load and plasticity index .

  19. 在流体模型计算的基础上,我们对一千吨TNT当量的装药在砂岩表面接触爆炸这一问题进行了二维轴对称流体弹塑性模型的数值计算。

    On the basis of past work on hydrodynamic model calculations , in this paper we present the numerical results of the axisymmetric hydrodynamic elasto-plastic model calculation of the contact burst on the surface of sandstone of a one kilo-ton TNT equivalent bomb .

  20. 数值计算表明:在十几个GPa的压力范围,单晶LiF的冲击加载-卸载过程近似满足弹塑性模型,但在精确描述仍需要更准确的本构方程和物理模型。

    Numerical simulation also confirm this analysis that the fluid elastic-plastic model can approximately describe the shock compression and release process of single crystal LiF in the teens GPa range , but for precise description , especially in the initial release stage , more detail constitutive model is needed .

  21. 将弹塑性模型引进平衡方程,同时考虑大位移大应变情形,采用Jaumann应力速率张量和应变速率张量进行计算,并将其应用于弹塑性饱和多孔介质压密注浆数值模拟。

    With the elasto-plastic material model introduced into the equilibrium equation , the large displacement and strain Considered , and Jaumann stress and strain velocity tensor used , The compaction grouting in saturated porous elasto-plastic material was simulated . 7 .

  22. 基于准静态压缩的果实黏弹塑性模型

    Nonlinear viscoelastic plastic model of the fruits under quasi-static compressive loading

  23. 非饱和土的有效应力原理与弹塑性模型研究

    Study on Effective Stress Principle and Elastoplastic Model for Unsaturated Soil

  24. 循环荷载作用下砂土的一种普遍弹塑性模型

    A general elasto plastic model of sands under cyclic loading

  25. 弹性模型和弹塑性模型的优化设计;

    Optimization design of elastic and elastic & plastic model ;

  26. T形短肢剪力墙弹塑性模型及地震反应分析

    Elastoplastic model and seismic analysis of T-Shaped short-leg shear wall

  27. 岩石非线性统一弹塑性模型

    An elastoplastic model of the rock nonlinear unified strength theory

  28. 触地爆炸流体弹塑性模型数值计算

    The hydrodynamic elasto-plastic model calculation of the contact - burst ground shock

  29. 岩土破损力学:理想脆弹塑性模型

    Breakage mechanics for geological materials : an ideal brittle-elasto-plastic model

  30. 低频振动塑性成形粘弹塑性模型的体积效应分析

    Volume effect analysis of visco-elasticity plasticity models for plastic deformation with low-frequency vibration