This paper describes a method based on the generalized principle of virtual work to derive the hybrid model of finite element. An assumed-strain hybrid model was obtained.
本文提出用广义虚功原理的方法建立有限元的杂交模型，并具体导出了一种杂交应变模型。
When treating the finite element models of the composite structure, this paper presents a "virtual beam" element mode relaxation method for the accordance of different elements.
在处理组合结构有限元模型时，对不同类型单元之间的协调提出一种“虚梁”单元节点松弛方法。
A virtual balancing method of a flexible rotor based on rotor dynamic and finite element method is proposed in this paper to decrease the vibrations caused by mass unbalancing.
为了有效地降低回转机械由于质量不平衡引起的振动故障，基于转子动力学理论和有限元数值分析方法，进行了柔性转子系统虚拟动平衡研究。
The primal research work about virtual boundary element method is on the problems of single domain.
等额配点法和最小二乘积分法是两种最常用的虚边界元法构造思路。
After the modal analysis of the housing of the SKR-4DL type winding machine with finite element method, the virtual instrument was applied to the on-line vibration property testing on the housing.
采用有限单元法对SKR - 4dl绕线机箱体进行模态分析后，利用虚拟仪器对箱体进行振动特性的在线检测。
Methods: CT and MRI images of the foot of Virtual Chinese Human "female no. 1" were adopted, and the finite element method incorporating geometric and material nonlinearities was used.
方法：采用中国虚拟人“女性1号”CT图像和MRI图像；应用非线性有限元方法进行生物力学分析。
The method of Virtual Prototype Building and Finite Element Analysis is theoretically meaning and practically valuable for design and performance simulation of complex mechanical system.
其中的虚拟样机建造方法与有限元分析手段在共同建立的联调平台下解决复杂机械系统设计及性能仿真方面具有理论意义与实用价值。
The finite element theory, the dynamics theory offers an advanced method. During the analysis of the virtual digital model, we can find the problem exist in the initial stages of design.
有限元理论、多体动力学理论、疲劳理论为汽车零部件设计提供了先进手段，通过对汽车零部件虚拟模型的分析，可以找到在设计阶段的问题。
Numerical results show that the calculation efficiency of the fast algorithm proposed in the paper is 20-80 times higher than the virtual boundary element method.
文中给出的数值算例表明了这种快速算法的计算效率是虚拟边界元法的2 0—80倍。
Solving the composite structures of different mediums with virtual boundary element method;
依据虚边界元法思想 ，提出了一种求解薄板自由振动问题的新算法 。
Solving the composite structures of different mediums with virtual boundary element method;
依据虚边界元法思想 ，提出了一种求解薄板自由振动问题的新算法 。
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