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1、.LS_Prepost关键操作1. 模型建立立方体模型沿三个坐标轴方向的节点数立方体起始节点号：该Part第一个节点号码粒子密度Part编号起始坐标球体模型球体半径球心坐标球体沿三个坐标轴方向的节点数圆柱体模型轴向节点数径向节点数，一般设置相同圆柱高圆柱半径底部中心坐标方向坐标圆柱圆台/锥模型圆台/锥圆台顶部半径圆台底部半径轴向节点数径向节点数，一般设置相同圆台高底部中心坐标方向坐标2. 参数定义*DATABASE_FORMAT计算结果输出格式数据库输出结果格式IFORM Output format for D3PLOT and D3THDT filesEQ.0: LS-DYNA databa
2、se format (default),EQ.1: ANSYS database format,EQ.2: Both LS-DYNA and ANSYS database formats.IBINARY Word size of the binary output files (D3PLOT, D3THDT, D3DRLF andinterface files for 64 bit computer such as CRAY and NEC.EQ.0: default 64 bit format,EQ.1: 32 bit IEEE formatRemarks:1. This option is
3、 not available for every platform. Check LS-DYNA Banner upon executionof the program2. By using this option one can reduce the size of the binary output files which are created by 64 bits computer such as CRAY and NEC.二进制*DATABASE_EXTENT_BINARY结果输出控制数据库输出二进制结果 NEIPH Number of additional integration
4、point history variables written to the binary data- base for solid elements. The integration point data is written in the same order that it is stored in memory-each material model has its own history variables that are stored. For user defined materials it is important to store the history data tha
5、t is needed for plotting before the data which is not of interest.给实体单元增加附加综合的点历史变量二进制数据库，综合点数据目的是储存记忆每个材料模型使它拥有自己的历史变量。对于使用者而言，定义材料对于储存历史数据是很重要的，在数据储存前需要对其进行描绘。NEIPS Number of additional integration point history variables written to the binary data- base for both shell and thick shell elements for
6、 each integration point, see NEIPH above.给薄壳和厚壳单元增加附加综合的点历史变量二进制数据库，看下面的NEIPH。MAXINT Number of shell integration points written to the binary database, see also *INTE GRATION_SHELL. If the default value of 3 is used then results are output for the outermost (top) and innermost (bottom) integration p
7、oints together with results for the neutral axis. If MAXINT is set to 3 and the element has 1 integration point then all three results will be the same. If a value other than 3 is used then results for the first MAXINT integration points in the element will be output. Note: If the element has an eve
8、n number of integration points and MAXINT is not set to 3 then you will not get mid-surface results. See Remarks below.壳单元附加综合的点历史变量二进制数据库，可以参看*INTE GRATION_SHELL.如果采用默认值3，则结果输出的是最远（高）和最近（下）的综合点，结果包含中间轴坐标。如果设置为3，单元有一个综合点，则三个结果将相同。如果值超过3，则在单元中的第一个MAXINT综合点将会被输出。注意：如果单元拥有一系列综合点，而MAXINT没有被设置成3，则你将无法获得中
9、间表面结果值，详见下面的附注。STRFLG Set to 1 to dump strain tensors for solid, shell and thick shell elements for plotting by LS-PREPOST and ASCII file ELOUT. For shell and thick shell elements two tensors are written, one at the innermost and one at the outermost integration point. For solid elements a single st
10、rain tensor is written.SIGFLG Flag for including stress tensor in the shell LS-DYNA database:EQ.1: include (default),EQ.2: exclude.EPSFLG Flag for including the effective plastic strains in the shell LS-DYNA database:EQ.1: include (default),EQ.2: exclude.RLTFLG Flag for including stress resultants i
11、n the shell LS-DYNA database:EQ.1: include (default),EQ.2: exclude.ENGFLG Flag for including shell internal energy density and thickness in the LSDYNA database:EQ.1: include (default),EQ.2: exclude.CMPFLG Orthotropic and anisotropic material stress and strain output in local material coordinate syst
12、em for solids, shells and thick shells.EQ.0: global,EQ.1: local.IEVERP Every plot state for “d3plot” database is written to a separate file. This option will limit the database to 1000 states:EQ.0: more than one state can be on each plotfile,EQ.1: one state only on each plotfile.BEAMIP Number of bea
13、m integration points for output. This option does not apply to beams that use a resultant formulation.DCOMP Data compression to eliminate rigid body data:EQ.1: off (default), no rigid body data compression,EQ.2: on, rigid body data compression active,EQ.3: off, no rigid body data compression, but no
14、dal velocities and accelerations are eliminated from the database.EQ.4: on, rigid body data compression active and nodal velocities and accelerations are eliminated from the database.SHGE Output shell hourglass energy density:EQ.1: off (default), no hourglass energy written,EQ.2: on.STSSZ Output she
15、ll element time step, mass, or added mass:EQ.1: off (default),EQ.2: output time step size,EQ.3: output mass, added mass, or time step size. See remark 3 below.N3THDT Material energy write option for D3THDT databaseEQ.1: off, energy is NOT written to D3THDT database,EQ.2: on (default), energy is written to D3THDT database.IALEMAT Output solid part ID list containing ale materials.EQ.1: on (default)NINTSLD Number of solid element integration points written to the LS-DYNA database. The def
