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[警告错误信息] 警告不知是否严重要从什么地方进行修改不明确,请高人指点

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发表于 2012-12-25 17:29:48 | 显示全部楼层 |阅读模式 来自 湖南长沙
DAT文件中的警告
***WARNING: THE OPTION *BOUNDARY,TYPE=DISPLACEMENT HAS BEEN USED; CHECK STATUS FILE BETWEEN STEPS FOR WARNINGS ON ANY JUMPS PRESCRIBED ACROSS THE STEPS IN DISPLACEMENT VALUES OF TRANSLATIONAL DOF. FOR ROTATIONAL DOF MAKE SURE THAT THERE ARE NO SUCH JUMPS. ALL JUMPS IN DISPLACEMENTS ACROSS STEPS ARE IGNORED

STA文件中的警告
***WARNING: There are 1 warning messages in the data (.dat) file.  Please
            check the data file for possible errors in the input file.



***WARNING: Some elements underlying deformable surface ASSEMBLY_SURF-INSIDE
            are referenced by a *CONTACT PAIR option. In addition these
            elements have material properties that allow the elements to fail.
            For elements that can fail, contact should be defined using the
            *CONTACT option. A element set named "WarnElemFailElemInContact"
            containing these elements is created for use in Abaqus/Viewer to
            help the user locate the elements.


***WARNING: Some elements underlying deformable surface ASSEMBLY_SURF-OUTSIDE
            are referenced by a *CONTACT PAIR option. In addition these
            elements have material properties that allow the elements to fail.
            For elements that can fail, contact should be defined using the
            *CONTACT option. A element set named "WarnElemFailElemInContact"
            containing these elements is created for use in Abaqus/Viewer to
            help the user locate the elements.


***WARNING: Each of the nodes listed below (and included in Abaqus/Viewer node
            set "WarnNodeBcIntersectKinCon") participates in a boundary
            condition definition (*BOUNDARY) as well as being part of a
            kinematic contact definition (*CONTACT PAIR, MECHANICAL CONSTRAINT
            = KINEMATIC). If a degree-of-freedom participates in both types of
            constraints, the boundary condition will override the kinematic
            contact constraint. In case of a conflict, it is suggested that
            the penalty contact algorithm be used instead.

***WARNING: In contact pair 1, node 820 of instance HAT-1 on the slave surface
            ASSEMBLY_SURF-INSIDE has 202.77 times more mass than the mass of
            node 15 of instance HAT-1 on the master surface
            ASSEMBLY_SURF-INSIDE. Significant contact noise may result with
            the kinematic contact algorithm when the slave nodes have
            significantly greater mass than the master nodes. Suggested
            workarounds include setting the WEIGHT parameter so that surface
            ASSEMBLY_SURF-INSIDE is a pure slave surface in the contact pair,
            using mass-scaling to adjust the ratio of nodal masses, or using
            the penalty contact algorithm.


***WARNING: In contact pair 2, node 1002 of instance HAT-1 on the slave
            surface ASSEMBLY_SURF-OUTSIDE has 170.41 times more mass than the
            mass of node 1654 of instance HAT-1 on the master surface
            ASSEMBLY_SURF-OUTSIDE. Significant contact noise may result with
            the kinematic contact algorithm when the slave nodes have
            significantly greater mass than the master nodes. Suggested
            workarounds include setting the WEIGHT parameter so that surface
            ASSEMBLY_SURF-OUTSIDE is a pure slave surface in the contact pair,
            using mass-scaling to adjust the ratio of nodal masses, or using
            the penalty contact algorithm.
输出部分单元的应力-时间图,存在波动,看起来是不正常的。请帮忙看一下以上的警告有哪些是致命的,怎样修改较好呢?用的是ABAQUS/explicit
发表于 2012-12-25 17:32:47 | 显示全部楼层 来自 新加坡
Simdroid开发平台
看了下,都是通知性的信息。
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 楼主| 发表于 2012-12-25 19:14:02 | 显示全部楼层 来自 湖南长沙
zsq-w 发表于 2012-12-25 17:32
看了下,都是通知性的信息。

也就是说不会造成模拟不稳定是不?我的模拟结果中应力-时间图的波动要怎样调整模型让他变得平缓正常呢?谢谢回复
(版主您好!看了您的很多帖子及您的回答,很感谢您给大家提供的信息)
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