求助：混凝土弥散裂缝模型参数设定

cefish2008

求助各位 concrete smeared cracking 模型的参数设定的命令流 谢谢啦
QQ 278919575 万分感谢

cards101

*Concrete Damaged Plasticity
15.,    0.1,   1.16, 0.6667,     0.
*Concrete Compression Hardening
  2.598e+07,     0.
3.1593e+07, 0.0004
3.4298e+07, 0.0008
    3.5e+07, 0.0012
3.4362e+07, 0.0016
3.2859e+07,  0.002
3.0835e+07, 0.0024
2.3696e+07, 0.0036
1.6113e+07,  0.005
  3.194e+06,   0.01
*Concrete Tension Stiffening
3.291e+06,     0.
2.693e+06, 0.0001
2.058e+06, 0.0003
1.775e+06, 0.0004
1.479e+06, 0.0005
   991000., 0.0008
   664000.,  0.001
   298000.,  0.002
   135000.,  0.003
    74000.,  0.005


===========================================================
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Compression behavior:
Stress        Inelastic strain                 Damage        Inelastic strain
24.019E+6        0.0000                 0.0000        0.0000
29.208E+6        0.0004                 0.1299        0.0004
31.709E+6        0.0008                 0.2429        0.0008
32.358E+6        0.0012                 0.3412        0.0012
31.768E+6        0.0016                 0.4267        0.0016
30.379E+6        0.0020                 0.5012        0.0020
28.507E+6        0.0024                 0.5660        0.0024
21.907E+6        0.0036                 0.7140        0.0036
14.897E+6        0.0050                 0.8243        0.0050
2.953E+6        0.0100                 0.9691        0.0100
Tension recovery factor  = 0.0.  Tension behavior:
Stress        Cracking strain                 Damage        Cracking strain
1.780E+6        0.0000                 0.0000        0.0000
1.457E+6        0.0001                 0.3000        0.0001
1.113E+6        0.0003                 0.5500        0.0003
0.960E+6        0.0004                 0.7000        0.0004
0.800E+6        0.0005                 0.8000        0.0005
0.536E+6        0.0008                 0.9000        0.0008
0.359E+6        0.0010                 0.9300        0.0010
0.161E+6        0.0020                 0.9500        0.0020
0.073E+6        0.0030                 0.9700        0.0030
0.040E+6        0.0050                 0.9900        0.0050
软件帮助里面的定义


========================================================================
&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
=========================================================================
============================================================================
*MATERIAL, NAME=CONCRETE
*ELASTIC
3.25E10, 0.2
*DENSITY
2548.41998
*CONCRETE DAMAGED PLASTICITY
40.,0.,0.,0.,0.
*CONCRETE COMPRESSION HARDENING
11655000,        0
16903454.63,        0.000148385
21234078,        0.000317385
…………
…………
*CONCRETE TENSION STIFFENING
3129000    , 0      
3100876.986, 4.56E-05
3046705.608, 5.84E-05
…………
…………
*CONCRETE TENSION DAMAGE   
0.          ,        0.                                       
0.296020589,        0.000991                                
0.524554904,        0.00199                                 
0.657048478,        0.00299                                 
0.73897889 ,        0.00399                                                                                                                                      
*CONCRETE COMPRESSION DAMAGE
0          ,       0                 
0.086592846,       0.00128277      
0.287110378,       0.00328277      
0.503206483,       0.00528277      
0.649937951,       0.00728277      
0.745003989,       0.00928277      
0.806121236,       0.01128277         
concretez 的定义
===============================================================================++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
=======================================================================
====================================================================
*MATERIAL,NAME=CONMAT1
*ELASTIC
19715,0.18
*DENSITY
2400.0E-12
*CONCRETE DAMAGED PLASTICITY
15.0,
*CONCRETE COMPRESSION HARDENING
7.899434265,0
8.847110164,0.000175783
11.17810984,0.000275783
13.24986658,0.000375783
16.71535726,0.000575783
19.41953734,0.000775783
22.35449259,0.001075783
24.26961665,0.001375783
25.11983211,0.001575783
25.58021108,0.001725783
25.91360916,0.001875783
26.31796594,0.002275783
26.33228573,0.002375783
26.31900129,0.002475783
26.22113814,0.002675783
25.80613603,0.003075783
25.02006231,0.003575783
23.46491194,0.004375783
22.42694577,0.004875783
20.3684549,0.005875783
18.43135199,0.006875783
16.65434271,0.007875783
15.04000765,0.008875783
13.57904678,0.009875783
12.25888531,0.010875783
10.5147091,0.012375783
9.395310541,0.013475783
9.018490403,0.013875783
7.349298322,0.015875783
5.98903889,0.017875783
4.880544392,0.019875783                                                
*CONCRETE TENSION STIFFENING, TYPE=DISPLACEMENT
2.633228573,0
2.633228573,0.005
2.633228545,0.008
2.633225696,0.01
2.632431905,0.015
2.62324421,0.02
2.592586718,0.025
2.535224361,0.03
2.455078564,0.035
2.359582811,0.04
2.255839549,0.045
2.14929601,0.05
2.043679667,0.055
1.941341525,0.06
1.843644551,0.065
1.751283285,0.07
1.664517917,0.075
1.583336307,0.08
1.50756258,0.085
1.436928382,0.09
1.371118819,0.095
1.309801524,0.1
1.252644607,0.105
1.199327356,0.11
1.149546229,0.115
0.878903008,0.15
0.641901032,0.2
0.400393304,0.3
0.282476506,0.4
0.21433908,0.5
0.170610981,0.6
0.140472322,0.7
0.118599361,0.8
0.102092699,0.9
0.089248775,1
cemichaelliu 定义的本构关系之一

luckboat

我也很想知道，期待中

Analyst

上面这位大哥，问问，我知道混凝土拉强度为2.75MPA，抗压强度为26.8MPA，如何设置

magiconly_2010

请问cards101，你的这些参数曲线是怎么计算得到的，比如我只知道混凝土标号是C40 ,怎么得到压缩和拉伸应力应变曲线，以及损伤的曲线

1860wangjunhua

是啊，请三楼楼主能否指点一下，那些数据是怎样算出来的？

1860wangjunhua

你好，能都指点一下你是怎么算出CONCRETE COMPRESSION HARDENING' 、Concrete Tension Stiffening数据的，我看到帮助文件里受拉受压曲线了，但是并没有给出曲线的公式啊，请问你是怎么算的啊？

youneng

cards101 发表于 2010-4-8 17:56
*Concrete Damaged Plasticity
15.,    0.1,   1.16, 0.6667,     0.
*Concrete Compression Hardening

您有塑性损伤和弥散裂缝模型的本构关系吗？

wentan_wang

cards101 发表于 2010-4-8 17:56
*Concrete Damaged Plasticity
15.,    0.1,   1.16, 0.6667,     0.
*Concrete Compression Hardening

这个好像是塑性损伤模型参数啊，有没有弥散模型参数啊

yimengweima

cards101 发表于 2010-4-8 17:56
*Concrete Damaged Plasticity
15.,    0.1,   1.16, 0.6667,     0.
*Concrete Compression Hardening

这个是损伤模型吧

天大结构26

小弟用的是塑性损伤模型，，，但是小弟想知道怎么看混凝土的裂缝分布情况和混凝土是哪里先裂开的

misslan

天大结构26 发表于 2013-11-25 20:01
小弟用的是塑性损伤模型，，，但是小弟想知道怎么看混凝土的裂缝分布情况和混凝土是哪里先裂开的 ...

我也想知道

天大结构26

misslan 发表于 2013-12-8 16:54
我也想知道

你是什么课题呢