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登錄FLUX is small enough to be treated as zero. if not, please use the solution controls to reset the criterion for zero PR. FLUX. 這是是那么原因造成的,該怎么解決呢
大佬們,我在做盾構(gòu)的殼-彈簧模型,跑起來(lái)管片部分會(huì)報(bào)警告Zero pivot和 Numerical singularity,我檢查約束和邊界條件也看不出什么,求助大佬們。
我在用Abaqus的cohesive做混凝土的開(kāi)裂分析時(shí),報(bào)錯(cuò)為:THE POWER IS NOT SPECIFIED OR THE SPECIFIED VALUE IS EQUAL TO OR SMALLER THAN ZERO. THIS IS NOT ALLOWED IN ABAQUS. 有無(wú)哪位知道具體原因以及如何解決?
THE POWER IS NOT SPECIFIED OR THE SPECIFIED VALUE IS EQUAL TO OR SMALLER THAN ZERO. THIS IS NOT ALLOWED IN ABAQUS. Job Job-1: Analysis Input File Processor aborted due to errors.
You have entered a zero or negative density value.
在進(jìn)行鋼軌柔性體替換后出現(xiàn)這個(gè)錯(cuò)誤。是什么原因引起的呢
如題,在兩個(gè)網(wǎng)格之間插入了一小塊0厚度的cohesive-element,并且使用tie把它和兩個(gè)網(wǎng)格連接。然后向下擠壓我的釘子,這里建立的釘子的寬度大于cohesive的失效位移;所以按道理cohesive應(yīng)該失效才是。但是他并沒(méi)有。。。 在尋找解決方法的過(guò)程中,我找到了一個(gè)可能的原因,如下圖所示。所以我想,是需要寫(xiě)一個(gè)子程序嗎?我只是剛剛?cè)腴T(mén),所以不是很想寫(xiě)子程序;
1.00 CRITERION FOR ZERO FORCE REL.
or negative mass in element number P2CULAYER-1.54179***ERROR: Zero or negative mass in element number P2CULAYER-1.54186***ERROR: Zero or negative mass in element number P2CULAYER-1.55131***ERROR
***ERROR: Bad Material definition in element number 1 instance SOIL-1: zero or negative initial dilatational modulus caused by bad material data.
do i = 1, ntens DSTRESS1(i) = ZERO STRESS1(i) = ZERO end do else k1 = ZERO DTIME1 = STATEV(

不知道如何聯(lián)合起來(lái)在一個(gè)VUMAT子程序中就出現(xiàn)“zero or negative initial dilatational error”. 請(qǐng)問(wèn)是什么問(wèn)題導(dǎo)致的?該如何解決呢?困擾已久,如有解答,感激不盡!


Error in job Job-1: 20 elements have zero length. The elements have been identified in element set ErrElemZeroLength.Error in job Job-1: 20 elements have small or zero length.
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