The numerical integral is not needed in forming element stiffness matrix by the present method. It is easy to constructed curved element.
形成单刚矩阵时，不需要在单元域内进行数值积分，容易构造曲边单元。
Based on the results reported herein, one may conclude that the proposed curved element may be used for the analysis of three-dimensional curved beam structures.
基于所给出的结果，可望该有限元模型可以作为分析三维空间曲梁结构的有效工具。
Based on the geometrical nonlinear finite element (GNFE) theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
本文根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
This machine element has a curved or grooved surface which mates with a follower and imparts motion to it.
这台机器的因素有弯曲或槽表面队友的追随者和柔软剂的议案它。
This paper presents an algorithm for the optimal development of doubly curved surfaces into planar shapes based on element deformation energy.
针对复杂空间曲面提出了一种基于单元变形能的优化展开算法。
By the present method, a new incompatible curved quadrilateral plane element with eight nodes is obtained.
利用这一方法得到一个新的八节点四边形平面应力单元。
In this paper, a new clue of element analysis for curved bars is proposed.
以一种新的思路和做法对曲线形杆件进行单元分析。
Based on geometrical nonlinear finite element theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
The calf shank includes a downward convexly curved lower end which is secured to the foot keel by way of coupling element (73).
所述小腿胫包括向下突出的弯曲下端，该下端通过连接部件(73)固定在所述脚龙骨上。
This element can be used as solid element and can also be used to model thin curved shell structures.
该单元既可用做实体单元，又可模拟薄曲壳结构，在厚跨比非常小的情况下也能获得令人满意的精度。
Using a spatial composite finite element method, combining three-dimensional solid element and bar element, the mechanical analysis of a two-span curved PC continuous box girder bridge is conducted.
采用三维实体单元和杆单元相结合的空间组合有限元方法，对一座两跨曲线预应力混凝土箱形连续梁桥进行空间受力分析。
Each support member comprises a curved lower surface (146) and a rolling element (148) located within a recessed portion of the lower surface of the support member.
每个支承构件包括弯曲的下表面(146)和位于支承构件的下表面的凹进部分内的滚动元件(148)。
From the variation principle, an analytical solution of the tangential stiffness matrices with nonlinear effects geometrically, for two-nodal two-dimension curved beam element, has been derived.
利用变分原理，推导了两节点二维曲梁单元几何非线性的单元切线刚度矩阵。
A curved surface shell hot drawing was simulateel by finite element method and forming trial was condncted.
采用有限元法模拟曲面壳体热拉深成形，并进行成形工艺试验，其模拟结果与试验结果一致。
The coordinate transformation method to handle displacement continuation problem on the intersection line of curved surfaces in the curved shell finite element method is presented.
提出了在曲壳有限元法中用坐标转换法处理曲面交线处结点位移的连续性问题。
Based on the geometrical nonlinear finite element (GNFE) theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
Based on geometrical nonlinear finite element theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
本文根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
The calculation models of curved beam Bridges with same span length, but different curvature radius, center angles and supporting forms are established by means of finite element software.
利用有限元软件，建立了跨径相同、曲率半径和圆心角以及支撑形式不同的弯梁桥计算模型。
The curved beam finite element method, which is based on the theory of curved girder structure analysis, has been adopted for analyzing the curved bridge structure in this Paper.
本文根据曲线梁桥的结构分析理论，采用曲杆有限元法对曲线梁桥进行结构分析。
Generated a finite element mesh in existence numerical method, node superposition of concrete and reinforcement element is difficult to curved tendon box girder.
现有有限元数值分析方法在单元划分时，要求预应力钢筋单元与混凝土单元节点必须重合，这对曲线布束的箱梁很难满足这一要求。
In this paper the linear triangular finite element approximation to the Parabolic Problem in the domain with curved boundaries is studied.
讨论线性三角形单元对曲边区域上半离散格式下抛物问题的有限元误差分析。
In the research work, finite element analyses is adopted to study the velocity wave and the secondary flow of nonlinear pulsatile flow in the S-shaped curved arteries.
本课题采用有限元分析方法研究非线性脉搏波在S型血管中的速度波，二次流。
According to the finite element method for the plane curved members, a program of time-dependent analysis for prestressed concrete curved beam bridges is developed.
用平面曲杆有限元法编写、调试了预应力混凝土曲线架桥的时效分析程序。
Based on the geometrical nonlinear finite element (GNFE) theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
本文根据几何非线性有限元理论，采用8结点曲面四边形等参单元，编制了用于张力膜结构内力分析的有限元程序。
The internal forces in tensile membrane structures were analyzed using geometrical nonlinear finite element theory using curved quadrilateral isoperimetric 8 node elements.
本文根据几何非线性有限元理论，采用8结点曲面四边形等参单元，编制了用于张力膜结构内力分析的有限元程序。
Based on the new contact model, finite element analysis scheme of drill rods in contact with curved boreholes is given using Bernoulli spatial curved beam elements.
利用新的接触模型，采用忽略横向剪切变形的三维空间曲梁单元对三维曲井内钻柱的接触非线性进行了有限元分析，给出了一套计算方法。
Based on geometrical nonlinear finite element theory, a curved quadrilateral isoperimetric element with8 nodes for initial form analysis of tensile membrane structures is presented.
根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
The deformation of ground surface during the construction of curved pipe-jacking is studied with 3d finite element methods.
通过建立三维有限元模型，研究了曲线顶管施工过程中地表的变形规律。
The deformation of ground surface during the construction of curved pipe-jacking is studied with 3d finite element methods.
通过建立三维有限元模型，研究了曲线顶管施工过程中地表的变形规律。
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