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1、名称描述tria3CTRIA3Triangular Element ConnectionDefines a triangular plate element (TRIA3) of the structural model. This element uses a 6 degree-of-freedom per node formulation定义机构模型的三角形板单元。这一单元用每节点6自由度表达CTRIARTriangular Element ConnectionCTRIAR entry is equivalent to CTRIA3. Unlike other Nastran codes,
2、 a 6 degree-of-freedom per node formulation is used for all shell elements.CTRIAR条目相当于CTRIA3。不像其他有限元软件代码，6自由度的每节点用于所有壳单元。BMFACEBarrier Mesh FaceDefines quad or tria faces that are in turn used to define a barrier to limit the total deformation for free-shape design regions.定义四或三表面反过来用于定义限制自由形状设计区域的总
3、变形。PLOTEL3Dummy Plot Element DefinitionDefines a three-noded, two-dimensional dummy element for use in plotting定义了一个三节点，用于绘制二维虚拟单元CAABSFFrequency-dependant Fluid Acoustic Absorber ElementDefines the frequency-dependant fluid acoustic absorber element in coupled fluid-structural analysis定义了依赖于频率的流体吸声
4、器元件耦合流体结构分析DTRIA3无Quad4CQUAD4Quadrilateral Element ConnectionDefines a quadrilateral plate element (QUAD4) of the structural model. This element uses a 6 degree-of-freedom per node formulation定义了一个四边形板单元的模型结构。这一单元用每节点6自由度表达CQUADRQuadrilateral Element ConnectionCQUADR entry is equivalent toCQUAD4. Un
5、like otherNastran codes, a 6 degree-of-freedom per node formulation is used for all shell elementsCQUADR相当于CQUAD4，不像其他有限元软件，6自由度的每节点用于所有壳单元。BMFACE同上CSHEARShear Panel Element ConnectionDefines a shear panel element定义剪切面板单元PLOTEL4Dummy Plot Element DefinitionDefines a four-noded, two-dimensional dummy
6、 element for use in plotting定义了一个四节点，用于绘制二维虚拟单元CAABSF同上DQUAD4无Tetra4CTETRAFour-sided Solid Element with four or ten grid pointsDefines the connections of the CTETRA element定义了CTETRA单元的连接DTETRA4无Pyramid5CPYRA_S3/S3R 单元可以作为通用壳单元使用。由于单元中的常应变近似，需要划分较细的网格来模拟弯曲变形或高应变梯度。S4R 单元性能稳定，适用范围很广对于复合材料，为模拟剪切变形的影响，应
7、使用适于厚壳的单元（例如S4、S4R、S3、S3R、S8R），并要注意检查截面是否保持平面。对于几何非线性分析，在ABAQUS/Standard中的小应变壳单元（S4R5, S8R, S8R5, S8RT, S9R5, STRI3, 和 STRI65）使用总体拉格朗日应变算法，应力应变可以相对于参考构型的材料方向改定。垫片单元是小应变小位移单元，默认情况下其应力应变值也是以初始参考构型定义的行为方向输出。对于有限膜应变单元（所有的膜单元以及S3/S3R, S4, S4R, SAX,和 SAXA单元）和在ABAQUS/Explicit中的小应变单元，其材料方向是随着曲面的平均刚性旋转运动而变以形
8、成当前构型的材料方向。此时这些单元的应力应变则是根据当前的参考构型中的材料方向给出的。（更详细地说明可以参考ABAQUS相关手册）。用户可以决定与*section print和*section file相关的局部坐标系统是固定不动还是随着曲面的平均刚性运动而旋转。Tria3S33-node triangular general-purpose shell, finite membrane strains (identical toelement S3R)三节点三角形通用壳，有限莫应变（相当于S3R特性）DS33-nodeheattransfertriangularshell三节点传热三角形壳S
9、TRI33-nodetriangularfacetthinshell三节点三角形面薄壳S3R3-nodetriangulargeneral-purposeshell,finitemembranestrains(identicaltoelementS3)3节点三角形通用壳，有限膜应变（与S3特性相同）M3D33-nodetriangularmembrane3节点三角形膜S3RT3-nodethermallycoupledtriangulargeneral-purposeshell,finitemembranestrains(identicaltoelementS3T)3节点热耦合三角通用壳，有限
10、膜应变（与S3T单元相同）SFM3D33-nodetriangularsurfaceelement三节点三角形面单元F3D3R3D33-node3Drigidtriangularfacet三节点三维刚性三角切面ACIN3D33-nodelinear3Dacousticinfiniteelement三节点的线性三维声无限元Quad4S44-nodegeneral-purposeshell,finitemembranestrains4节点的通用壳，有限膜应变S4R54-nodethinshell,reducedintegration,hourglasscontrol,usingfivedegree
11、soffreedompernode4节点壳薄，缩减积分，沙漏控制，每个节点使用5个自由度M3D44-nodequadrilateralmembrane4节点四边形膜M3D4R4-nodequadrilateralmembrane,reducedintegration,hourglasscontrol4节点四边形膜，缩减积分，沙漏控制SFM3D44-nodequadrilateralsurfaceelement4节点四边形面单元SFM3D4R4-nodequadrilateralsurfaceelement,reducedintegration4节点四边形曲面单元，缩减积分R3D44-node3
12、Dbilinearrigidquadrilateral4节点三维双线性刚性四边形DS44-nodeheattransferquadrilateralshell4节点传热四边形壳F3D4ACIN3D44-nodelinear3Dacousticinfiniteelement4节点线性三维声无限元S4R4-nodegeneral-purposeshell,reducedintegration,hourglasscontrol,finitemembranestrains4节点的通用外壳，缩减积分，沙漏控制，有限膜应变S4RT4-nodethermallycoupledgeneral-purposes
13、hell,reducedintegration,hourglasscontrol,finitemembranestrains4节点热耦合通用外壳，缩减积分，沙漏控制，有限膜应变GK3D4L4-nodethree-dimensionallinegasketelement4节点三维线密封单元GK3D4LN4-nodethree-dimensionallinegasketelementwiththickness-directionbehavioronly只有厚度方向反应的4节点三维线密封单元Tetra4C3D44-nodelineartetrahedron4节点线性四面体C3D4H4-nodelin
14、eartetrahedron,hybrid,linearpressure4节点线性四面体，混合，线压力DC3D44-nodelinearheattransfertetrahedron4节点的线性传热四面体C3D4E4-nodelinearpiezoelectrictetrahedron4节点线性压电四面体DC3D4E4-nodelinearcoupledthermal-electricaltetrahedron4节点的线性耦合热电四面体AC3D44-nodelinearacoustictetrahedron4节点线性声学四面体Pyramid5C3D88-nodelinearbrick8节点线性实体C3D8T8-nodethermallycoupledbrick,trilineardisplacementandtemperature8节点热耦合实体，三线性位移和温度C3D8H8-nodelinearbrick,hybrid,constantpressure8节点线性实体，混合，恒压C3D8HT8-nodethermallycoupledbrick,trilineardisplacementandtemperature,hybrid,const
