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-1 Excessive distortion of element number 55384 of instance P2CULAYER-1***WARNING: Mechanical penalty contact between surfaces ASSEMBLY_M_SURF-1 and ASSEMBLY_S_SURF-1 is causing a 72.434%

Check the element connectivities for underlying elements 4041 instance part-1-1 and 1548398 instance part-1-1 (sharing the common edge whose end points are nodes 141 instance part-1-1 and 142 instance

THE EDGE E4 IS NOT VALID FOR THE UNDERLYING ELEMENT 17 INSTANCE JIAJINLEICHANG-1 IN *SURFACE ASSEMBLY_S_SURF-4

Check the element connectivities for underlying elements 51221 instance fluid1-1 and 65798 instance fluid1-1 (sharing the common edge whose end points are nodes 49233 instance fluid1-1 and 49235 instance

assembly set EQNSET-5 ***ERROR: in keyword *EQUATION, file "explicit1.inp", line 431613: Unknown assembly set EQNSET-7 ***ERROR: in keyword *EQUATION, file "explicit1

*Elset, elset=Set-1, instance=Part-1-1 1, 2, 5, 6*Elset, elset=_Surf-1_S4, internal, instance=Part-1-1, generate 2, 8, 2*Surface, type=ELEMENT, name=Surf-1_Surf-1_S4, S4*End Assembly

求教abaqus inp 文件中關(guān)鍵字*Surface中，S1、S2、S3、S4代表什么意思？*Surface, type=ELEMENT, name=_PickedSurf33, internal__PickedSurf33_S2, S2

模型：200m長(zhǎng)的導(dǎo)線，有預(yù)張力，兩端固支，在據(jù)左端3m處加向上的30kN沖擊荷載（加載0.2ms卸載1.5ms）的斜坡荷載，單元長(zhǎng)度0.2m。1.采用link167單元（離散梁?jiǎn)卧┘虞d0.2ms卸載1.5ms時(shí)，能量不守恒，內(nèi)能異常增大，但是將加卸載時(shí)間延長(zhǎng)到0.1s就不會(huì)出現(xiàn)內(nèi)能異常增大的問(wèn)題。

進(jìn)行l(wèi)s-dyna計(jì)算的過(guò)程中出現(xiàn)，1 element eroded due to strain是為什么？

The contact pair referencing surfaces assembly_m_surf-1 and assembly_s_surf-1 has at least one instance of a node belonging to both surfaces.