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帖子 abaqus四點彎曲不收斂
Path based tracking cannot be used with analytical rigid master surfaces, the state based tracking algorithm will be used instead.
3297
小七_9043 ??? 3年前
abaqus四點彎曲不收斂
問答 大佬幫忙看看問題出在哪里了,感謝?

are declared as rigid using the *rigid body option3 nodes associated with rigid bodies have boundary conditions prescribed at nodes other than the reference node.

3069 1
why_0948 ??? 3年前
問答 ABAQUS接觸問題?

Please remove the contact field output for the contact pair in question, or split the node-based surface into separate surfaces each spanning just one instance

2874 1
小亦 ??? 3年前
帖子 ABAQUS中隱式和顯式的節點和單元的輸出變量解析
CNAREA Field: yes History: no .fil: no Contact nodal area for each node with active contact forces in general contact, based on area contributions from adjacent surface facets projected to
5003 2
李時珍 ??? 2年前
ABAQUS中隱式和顯式的節點和單元的輸出變量解析
帖子 *CONTACT:接觸(持續更新2024.8.15)
,常用的接觸類型大致分為以下幾種,自動單面接觸(CONTACT_AUTOMATIC_SINGLE_SURFACE),自動面面接觸(CONTACT_AUTOMATIC_SURFACE_TO_SURFACE_ID),自動點面接觸(*CONTACT_AUTOMATIC_NODES_TO_SURFACE_ID/Contact_automatic_beams_to_surface),單面侵蝕接觸(*CONTACT_ERODING_SINGLE_SURFACE_ID
5912 12
不問出處 ??? 1年前
*CONTACT:接觸(持續更新2024.8.15)
帖子 剛性彈丸對板材的侵徹分析(ABAQUS 6.16幫助文檔第2.1.3節)
因此,必須在球體表面(定義為基于網格單元的面【element-based surface】)和包含板中位于碰撞點半徑20mm范圍內的所有節點的表面(定義為基于網格節點的面【node-based surface】)之間建立接觸關系(contact)。
3540 3
墨鬼 ??? 2年前
剛性彈丸對板材的侵徹分析(ABAQUS 6.16幫助文檔第2.1.3節)
問答 ABAQUS 離散剛體 對稱設置?

幫助:"In Abaqus/Explicit, if boundary conditions are applied to any nodes on a rigid body other than the rigid body reference node, these boundary conditions are ignored with the exception of the symmetry-type

2781
Samenov ??? 4年前
問答 定義了slave and master surface, 但error提示找不到,為什么?

THIS MAY BE DUE TO NONEXISTENT SLAVE OR MASTER SURFACE, OR DUE TO ERRORS WHEN PROCESSING THE *CONTACT PAIR KEYWORD我明明定義了slave surface 和 master surface

2219 1
Andy_9021 ??? 3年前
帖子 Positive normal definition for conventional shell
The “top” surface of a conventional shell element is the surface in the positive normal direction and is referred to as the positive (SPOS) face for contact definition.
2499 11
Elbert Q ??? 3年前
Positive normal definition for conventional shell
帖子 LS-DYNA的接觸*CONTACT_OPTION
) 【單面接觸】自動點面接觸(*CONTACT_AUTOMATIC_NODES_TO_SURFACE) 【單向接觸】自動面面接觸(*CONTACT_AUTOMATIC_SURFACE_TO_SURFACE) 【雙向接觸】單面侵蝕接觸(*CONTACT_ERODING_SINGLE_SURFACE)面面侵蝕接觸(*CONTACT_ERODING_SURFACE_TO_SURFACE
7320 7
OnTheWay08 ??? 1年前
LS-DYNA的接觸*CONTACT_OPTION
帖子 有關ABAQUS接觸問題(轉載為自己整理)
如果模型位移很小,我常常把spring stiffness設為1.11、ABAQUS/Standard中對于主從面選擇的硬性規定:解析剛性面必須是主面;節點面(node-based surface)只能是從面,也只能用在點面接觸中;從面必須位于可變形體上或者可變形的剛體上;主面和從面都不能純粹的剛性面,除非剛性面可變形。
6341
會游泳的魚_7324 ??? 2年前
問答 使用殼單元和通用接觸出現這個警告直接開始就1U了,不知道是啥原因?

Initial contact adjustments for resolving gaps and overclosures when a surface with double-sided facets is paired with any surface having double-sided facets may be incorrect.

3207 3
江湖小蝦米_5253 ??? 3年前
問答 求教各位大佬,abaqus里相鄰接觸對交叉,存在公共邊導致不收斂如何解決?

IF BOTH PAIRS ARE *CONTACT PAIRs, THESE TWO PAIRS SHOULD NOT BE SIMULTANEOUSLY PRESENT IN A STEP BECAUSE OF POSSIBLE CONVERGENCE PROBLEMS; USE *MODEL CHANGE,TYPE=CONTACT PAIR TO REMOVE ONE OF THEM.

3606 5
Len_9240 ??? 3年前
問答 煩請看一下報錯問題

The same pair of surfaces cannot be specified more than once for *tie and *contact pair.

3514 2
小程序用戶_8dhsXPt6 ??? 2年前
問答 Abaqus出現這個怎么處理?

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.

2133 1
那就叫林師傅吧 ??? 7月前
帖子 STAR-CCM+擋板建模案例:復雜表面幾何處理與網格劃分
點擊模型樹中Continue→Mesh1→Reference Values→Base Size,在樹模型下方的"Properties"處將"Value"值更改為0.01m,如圖19所示;點擊模型樹中Continue→Mesh1→Surface Values→Relative minimum Size,樹模型下方的"Properties"處將"Percentage of Base"處保持默認25;點擊模型樹中
4288 1
仿真客 ??? 3年前
STAR-CCM+擋板建模案例:復雜表面幾何處理與網格劃分
問答 如何進行離散剛體耦合,并施加溫度為0邊界條件?

BOUNDARY CONDITIONS ON RIGID ELEMENT NODES SERVE ONLY TO DEFINE SYMMETRY FOR CONTACT SURFACES (NODE 682 INSTANCE TOOL-1). THE REFERENCE NODE SHOULD BE USED TO CONSTRAIN RIGID BODIES。

1806
一蜘蛛 ??? 4年前
問答 abaqus中接觸對的面彼此相交,怎么解決?

IF BOTH PAIRS ARE *CONTACT PAIRs, THESE TWO PAIRS SHOULD NOT BE SIMULTANEOUSLY PRESENT IN A STEP BECAUSE OF POSSIBLE CONVERGENCE PROBLEMS; USE *MODEL CHANGE,TYPE=CONTACT PAIR TO REMOVE ONE OF THEM.

3479 2
王濤_8882 ??? 2年前
帖子 ABAQUS中的接觸和約束
*RIGID BODY, REF NODE=node, ELSET=element set, PIN NSET=node set, TIE NSET=node set thickness ?解析剛體表面 ?使用*SURFACE選項,有三種可用的解析表面: ?使用TYPE=SEGMENTS定義二維剛體表面。
15933 8
kongye2967 ??? 6年前
ABAQUS中的接觸和約束
帖子 abaqus中做的組合結構施加位移荷載的模型,總是出現錯誤怎么解決
Joining disconnected surfaces with *TIE does not alter the surface connectivity and results in a seam in the contact surface.
2597 1
Coincidence_0550 ??? 3年前
abaqus中做的組合結構施加位移荷載的模型,總是出現錯誤怎么解決
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