Calculix¶
简介¶
CalculiX是一个设计来利用有限元方法求解场问题的软件，其既能够运行在类Unix(包括Linux)平台上，也能在MS-Windows上运行。使用CalculiX，你可以构建有限元模型，对模型进行求解以及后处理。CalculiX的预处理器和后处理器基于openGL API开发而成。其解器能够进行线性和非线性计算，包括求解静态、动态和热力学问题的模块。
CalculiX使用说明¶
在思源一号上自行安装并使用CalculiX¶
使用conda创建虚拟环境并安装CalculiX：
srun -p 64c512g -n 1 --pty /bin/bash
module load miniconda3/4.10.3
conda create --name calculix_test
source activate calculix_test
conda install -c conda-forge calculix==2.17
创建一个目录calculixtest并进入该目录：
mkdir calculixtest
cd calculixtest
在该目录下创建如下测试文件beam10p.inp(输入参数文件)：
**
** Structure: cantilever beam under pressure.
** Test objective: C3D10 elements.
**
*NODE,NSET=NALL
1, 1., 0.
2, 0., 0.
3, 1., 1.
4, 0.5, 0.
5, 0.5, 0.5
6, 1., 0.5
7, 0., 1.
8, 0., 0.5
9, 0.5, 1.
10, 1., 0., 8.
11, 1., 1., 8.
12, 0., 0., 8.
13, 1., 0.5, 8.
14, 0.5, 0.5, 8.
15, 0.5, 0., 8.
16, 0., 1., 8.
17, 0.5, 1., 8.
18, 0., 0.5, 8.
19, 1., 0., 2.
20, 1., 0., 1.
21, 0.5, 0., 1.
22, 0., 0., 2.
23, 0.5, 0., 2.
24, 0., 0., 1.
25, 1., 0., 4.
26, 1., 0., 3.
27, 0.5, 0., 3.
28, 0., 0., 4.
29, 0.5, 0., 4.
30, 0., 0., 3.
31, 1., 0., 6.
32, 1., 0., 5.
33, 0.5, 0., 5.
34, 0., 0., 6.
35, 0.5, 0., 6.
36, 0., 0., 5.
37, 1., 0., 7.
38, 0.5, 0., 7.
39, 0., 0., 7.
40, 0., 1., 2.
41, 0., 0.5, 1.
42, 0., 1., 1.
43, 0., 0.5, 2.
44, 0., 1., 4.
45, 0., 0.5, 3.
46, 0., 1., 3.
47, 0., 0.5, 4.
48, 0., 1., 6.
49, 0., 0.5, 5.
50, 0., 1., 5.
51, 0., 0.5, 6.
52, 0., 0.5, 7.
53, 0., 1., 7.
54, 1., 1., 2.
55, 0.5, 1., 1.
56, 1., 1., 1.
57, 0.5, 1., 2.
58, 1., 1., 4.
59, 0.5, 1., 3.
60, 1., 1., 3.
61, 0.5, 1., 4.
62, 1., 1., 6.
63, 0.5, 1., 5.
64, 1., 1., 5.
65, 0.5, 1., 6.
66, 0.5, 1., 7.
67, 1., 1., 7.
68, 1., 0.5, 1.
69, 1., 0.5, 2.
70, 1., 0.5, 3.
71, 1., 0.5, 4.
72, 1., 0.5, 5.
73, 1., 0.5, 6.
74, 1., 0.5, 7.
149, 0.499871, 0.499871, 3.99987
150, 0.5, 0.5, 2.
151, 0.5, 0.5, 1.
152, 0.249935, 0.249935, 2.99994
153, 0.249935, 0.749935, 3.99994
154, 0.249935, 0.249935, 3.99994
155, 0.249935, 0.749935, 4.99994
156, 0.249935, 0.249935, 4.99994
157, 0.749935, 0.749935, 3.99994
158, 0.249935, 0.749935, 2.99994
159, 0.749935, 0.749935, 4.99994
160, 0.5, 0.5, 7.
161, 0.5, 0.5, 6.
162, 0.749935, 0.249935, 2.99994
163, 0.749935, 0.249935, 3.99994
164, 0.749935, 0.249935, 4.99994
*ELEMENT, TYPE=C3D10, ELSET=EALL
37, 2, 22, 19, 40, 24, 23, 21,
41, 43, 150
38, 2, 3, 54, 1, 5, 56, 151,
4, 6, 68
39, 22, 44, 28, 149, 45, 47, 30,
152, 153, 154
40, 28, 34, 149, 48, 36, 156, 154,
49, 51, 155
41, 40, 7, 54, 2, 42, 55, 57,
41, 8, 151
42, 54, 2, 19, 40, 151, 21, 69,
57, 41, 150
43, 40, 44, 149, 58, 46, 153, 158,
59, 61, 157
44, 44, 48, 149, 62, 50, 155, 153,
63, 65, 159
45, 34, 16, 11, 48, 52, 17, 160,
51, 53, 66
46, 11, 62, 31, 34, 67, 73, 74,
160, 161, 35
47, 12, 11, 34, 16, 14, 160, 39,
18, 17, 52
48, 22, 19, 40, 149, 23, 150, 43,
152, 162, 158
49, 7, 3, 54, 2, 9, 56, 55,
8, 5, 151
50, 22, 28, 25, 149, 30, 29, 27,
152, 154, 163
51, 1, 2, 19, 54, 4, 21, 20,
68, 151, 69
52, 58, 19, 40, 54, 70, 150, 59,
60, 69, 57
53, 28, 25, 149, 31, 29, 163, 154,
33, 32, 164
54, 62, 48, 34, 11, 65, 51, 161,
67, 66, 160
55, 149, 48, 34, 62, 155, 51, 156,
159, 65, 161
56, 34, 11, 10, 31, 160, 13, 38,
35, 74, 37
57, 10, 11, 34, 12, 13, 160, 38,
15, 14, 39
58, 58, 25, 62, 149, 71, 72, 64,
157, 163, 159
59, 19, 25, 58, 149, 26, 71, 70,
162, 163, 157
60, 22, 19, 149, 25, 23, 162, 152,
27, 26, 163
61, 25, 62, 149, 31, 72, 159, 163,
32, 73, 164
62, 28, 48, 149, 44, 49, 155, 154,
47, 50, 153
63, 28, 34, 31, 149, 36, 35, 33,
154, 156, 164
64, 34, 62, 31, 149, 161, 73, 35,
156, 159, 164
65, 22, 149, 40, 44, 152, 158, 43,
45, 153, 46
66, 44, 62, 149, 58, 63, 159, 153,
61, 64, 157
67, 149, 58, 19, 40, 157, 70, 162,
158, 59, 150
*NSET,NSET=FIX
1,4,2,6,5,8,3,9,7
*NSET,NSET=LOAD
10,15,12,13,14,18,11,17,16
*BOUNDARY
1,1,2
3,1,1
FIX,3,3
*MATERIAL,NAME=EL
*ELASTIC
210000.,.3
*SOLID SECTION,ELSET=EALL,MATERIAL=EL
*STEP
*STATIC
*CLOAD
LOAD,2,1.
*NODE PRINT,NSET=NALL
U,RF
*EL PRINT,ELSET=EALL
S
*END STEP
在该目录下创建如下作业提交脚本calculixtest.slurm:
#!/bin/bash
#SBATCH --job-name=calculixtest
#SBATCH --partition=64c512g
#SBATCH --ntasks-per-node=1
#SBATCH -n 1
#SBATCH --output=%j.out
#SBATCH --error=%j.err
ulimit -s unlimited
ulimit -l unlimited
ccx beam10p
使用如下命令提交作业：
sbatch calculixtest.slurm
作业完成后在.out文件中可看到如下结果：
************************************************************
CalculiX Version 2.17, Copyright(C) 1998-2020 Guido Dhondt
CalculiX comes with ABSOLUTELY NO WARRANTY. This is free
software, and you are welcome to redistribute it under
certain conditions, see gpl.htm
************************************************************
You are using an executable made on Wed Oct 14 07:29:32 UTC 2020
The numbers below are estimated upper bounds
number of:
nodes: 164
elements: 67
one-dimensional elements: 0
two-dimensional elements: 0
integration points per element: 4
degrees of freedom per node: 3
layers per element: 1
distributed facial loads: 0
distributed volumetric loads: 0
concentrated loads: 9
single point constraints: 12
multiple point constraints: 1
terms in all multiple point constraints: 1
tie constraints: 0
dependent nodes tied by cyclic constraints: 0
dependent nodes in pre-tension constraints: 0
sets: 4
terms in all sets: 229
materials: 1
constants per material and temperature: 2
temperature points per material: 1
plastic data points per material: 0
orientations: 0
amplitudes: 2
data points in all amplitudes: 2
print requests: 3
transformations: 0
property cards: 0
STEP 1
Static analysis was selected
Decascading the MPC's
Determining the structure of the matrix:
number of equations
258
number of nonzero lower triangular matrix elements
6834
Using up to 1 cpu(s) for the stress calculation.
Using up to 1 cpu(s) for the symmetric stiffness/mass contributions.
Factoring the system of equations using the symmetric spooles solver
Using up to 1 cpu(s) for spooles.
Using up to 1 cpu(s) for the stress calculation.
Job finished
________________________________________
Total CalculiX Time: 0.034328
________________________________________
在pi2.0上自行安装并使用Calculix¶
使用conda创建虚拟环境并安装Calculix：
srun -p small -n 1 --pty /bin/bash
module load miniconda3/4.8.2
conda create --name calculix_test
source activate calculix_test
conda install -c conda-forge calculix==2.17
此步骤和上文完全相同；
此步骤和上文完全相同；
在该目录下创建如下作业提交脚本calculixtest.slurm:
#!/bin/bash
#SBATCH --job-name=calculixtest
#SBATCH --partition=small
#SBATCH --ntasks-per-node=1
#SBATCH -n 1
#SBATCH --output=%j.out
#SBATCH --error=%j.err
ulimit -s unlimited
ulimit -l unlimited
ccx beam10p
使用如下命令提交作业：
sbatch calculixtest.slurm
作业完成后在.out文件中可看到如下结果：
************************************************************
CalculiX Version 2.17, Copyright(C) 1998-2020 Guido Dhondt
CalculiX comes with ABSOLUTELY NO WARRANTY. This is free
software, and you are welcome to redistribute it under
certain conditions, see gpl.htm
************************************************************
You are using an executable made on Wed Oct 14 07:29:32 UTC 2020
The numbers below are estimated upper bounds
number of:
nodes: 164
elements: 67
one-dimensional elements: 0
two-dimensional elements: 0
integration points per element: 4
degrees of freedom per node: 3
layers per element: 1
distributed facial loads: 0
distributed volumetric loads: 0
concentrated loads: 9
single point constraints: 12
multiple point constraints: 1
terms in all multiple point constraints: 1
tie constraints: 0
dependent nodes tied by cyclic constraints: 0
dependent nodes in pre-tension constraints: 0
sets: 4
terms in all sets: 229
materials: 1
constants per material and temperature: 2
temperature points per material: 1
plastic data points per material: 0
orientations: 0
amplitudes: 2
data points in all amplitudes: 2
print requests: 3
transformations: 0
property cards: 0
STEP 1
Static analysis was selected
Decascading the MPC's
Determining the structure of the matrix:
number of equations
258
number of nonzero lower triangular matrix elements
6834
Using up to 1 cpu(s) for the stress calculation.
Using up to 1 cpu(s) for the symmetric stiffness/mass contributions.
Factoring the system of equations using the symmetric spooles solver
Using up to 1 cpu(s) for spooles.
Using up to 1 cpu(s) for the stress calculation.
Job finished
________________________________________
Total CalculiX Time: 0.034328
________________________________________
参考资料¶
最后更新:
2024 年 11 月 22 日