Abaqus explicit里面contact pair哪个是master surface

vanillv

在abaqus explicit 里面surface to surface 接触哪个是主面?

** Interaction: Int-1
*Contact Pair, interaction=IntProp-1, mechanical constraint=KINEMATIC, small sliding, cpset=Int-1
surface1, surface2

surface1是主面，还是surface2是主面？

vanillv

Abaqus 6.14 Manual

38.2.2 Contact formulations for contact pairs in Abaqus/Explicit

You define a weighting factor, f, to specify the master-slave weighting. Set f=1.0 to designate the first surface in the contact pair as the master surface and the second surface as the slave surface. Set f=0.0 to designate the first surface in the contact pair as the slave surface and the second surface as the master surface. Specifying any value of f between 0 and 1.0 invokes the balanced master-slave contact algorithm. When f=0.5, which is the default for balanced master-slave contact pairs, Abaqus/Explicit weights each set of corrections equally. In contrast, Abaqus/Standard uses a pure master-slave contact algorithm; the slave surface must always be given first, as in the f=0.0 case above.

Input File Usage:                 

*CONTACT PAIR, WEIGHT=f


Abaqus/CAE Usage:          

Interaction module: interaction editor: Weighting factor Specify f

oppowin

错吧！expilicit 接触对有主从算法和主从平衡的算法！默认情况下是有区别的：

如果是刚体面对变形面、基于element的surface对基于node的surface、或者是连续面对壳、beam等式第一个主面第二个从面

其他情况下默认采用主从平衡算法。此时指定权值为1，第一主面是主面第二个事从面，否则是平衡主从算法！

见帮助：Contact formulations for contatc pari in Abaqus/explicit section 36.2.2 of Abaqus User's Manual !

vanillv

standard 里面是

*Contact Pair, interaction=IntProp-1, type=Surface to surface
slave surface, master surface

explicit l里面怎么定义的？

kumren88

surface1 是的！！！！
surface to surface定义的时候，先定义主面、再定义从面的！

vanillv

可是，无论是

*Contact Pair, interaction=IntProp-1, mechanical constraint=KINEMATIC, small sliding, cpset=Int-1
surface1, surface2

还是

*Contact Pair, interaction=IntProp-1, mechanical constraint=KINEMATIC, small sliding, cpset=Int-1
surface２, surface1

显示的warning 都是surface2 是主面

In contact pair 2, node 13 of instance PART-14-1 on the slave
            surface "Surface1" has 40.070 times more mass than the mass of
            node 1823 of instance PART-12-1 on the master surface
           "Surface2". Significant contact noise may result with
            the kinematic contact algorithm when the slave nodes have
            significantly greater mass than the master nodes.

ＣＡＥ里面确实是先选择surface1的．Standard　ＣＡＥ里面是先选择主面，explicit里面ｍａｎｕｌ里面没有找到任何解释．

不知各位大侠有何见解？

vanillv

有别的看法吗？

xpy236

surface1是主面，surface2是从面 这个毋庸质疑的

oppowin

错吧！expilicit 默认的是主从平衡的算法！如果权值设置为1的时，第一个才是主面！