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[求助]
ansys计算步数无法增加，求助！！！ 已有1人参与
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我用ansys显式动力学分析做一个瞬态荷载下声波的传播，模型就是一个简单的三维厚板，无反射边界，输出d3plot来提取波形数据。 现在的问题是利用默认步数的话采样时间间隔太大，比荷载步长还大，提取波形明显不准确，但是增加计算步数设置无效。number of steps那里设置成多大最后的数据都只有700步，尝试关闭自动时间步长也没有效果，百思不得其解，向高手求教！ |
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6楼2018-11-13 21:57:49
2楼2016-04-26 09:49:53
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k文件 *BOUNDARY_NON_REFLECTING 1 1 1 $ $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ LOAD DEFINITIONS $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ *DEFINE_CURVE 1 0 1.000 1.000 0.000 0.000 0.000000000000E+00 0.000000000000E+00 5.000000000000E-07 -1.000000000000E+01 1.000000000000E-06 -2.000000000000E+01 1.500000000000E-06 -3.000000000000E+01 2.000000000000E-06 -4.000000000000E+01 2.500000000000E-06 -5.000000000000E+01 3.000000000000E-06 -4.000000000000E+01 3.500000000000E-06 -3.000000000000E+01 4.000000000000E-06 -2.000000000000E+01 4.500000000000E-06 -1.000000000000E+01 5.000000000000E-06 0.000000000000E+00 *SET_NODE_LIST 1 0.000 0.000 0.000 0.000 4042 *LOAD_NODE_SET 1 3 1 1.000 0 0 0 0 $ $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ RIGID BOUNDRIES $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ $ $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ CONTACT DEFINITIONS $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ CONTROL OPTIONS $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ *CONTROL_ENERGY 2 2 2 2 *CONTROL_SHELL 20.0 1 -1 1 2 2 1 *CONTROL_TIMESTEP 0.0000 0.9000 0 0.00 0.00 *CONTROL_TERMINATION 0.500E-03 0 0.00000 0.00000 0.00000 $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ TIME HISTORY $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ *DATABASE_BINARY_D3PLOT 0.2500E-06 *DATABASE_BINARY_D3THDT 0.2500E-06 *DATABASE_BINARY_D3DUMP 328 $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ DATABASE OPTIONS $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ *DATABASE_EXTENT_BINARY 0 0 3 1 0 0 0 0 0 0 4 0 0 0 *END |
3楼2016-04-26 10:10:47
霜小妹二
木虫 (正式写手)
哈哈
- 应助: 154 (高中生)
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- 注册: 2014-05-27
- 专业: 机械动力学
【答案】应助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感谢参与，应助指数 +1
milan6: 金币+20, ★★★★★最佳答案 2016-04-27 22:40:42
感谢参与，应助指数 +1
milan6: 金币+20, ★★★★★最佳答案 2016-04-27 22:40:42
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这个还没遇见过~~~之前我们都是用Hypermesh进行设置的~~~所以也没出过这个问题啊。 *CONTROL_TERMINATION $$ ENDTIM ENDCYC DTMIN ENDENG ENDMAS 0.01 *CONTROL_TIMESTEP $$ DTINIT TSSFAC ISDO TSLIMT DT2MS LCTM ERODE MSIST 0.0 0.9 0 0.0-2.800E-07 0 1 0 0 *DATABASE_BINARY_D3PLOT $$ DT/CYCL LCDT BEAM NPLTC 5.0000E-05 0 |
4楼2016-04-26 11:26:53
100