CN113779844B - 一种含多裂纹损伤曲梁弹性屈曲的自适应求解方法 - Google Patents
一种含多裂纹损伤曲梁弹性屈曲的自适应求解方法 Download PDFInfo
- Publication number
- CN113779844B CN113779844B CN202111089918.4A CN202111089918A CN113779844B CN 113779844 B CN113779844 B CN 113779844B CN 202111089918 A CN202111089918 A CN 202111089918A CN 113779844 B CN113779844 B CN 113779844B
- Authority
- CN
- China
- Prior art keywords
- buckling
- crack
- curved beam
- solution
- damage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 50
- 238000012545 processing Methods 0.000 claims abstract description 8
- 238000011084 recovery Methods 0.000 claims abstract description 6
- 239000013598 vector Substances 0.000 claims description 13
- 230000003044 adaptive effect Effects 0.000 claims description 12
- 239000011159 matrix material Substances 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 238000004364 calculation method Methods 0.000 claims description 6
- 238000012937 correction Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 238000005457 optimization Methods 0.000 abstract description 3
- 238000004458 analytical method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
- G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/14—Force analysis or force optimisation, e.g. static or dynamic forces
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Evolutionary Computation (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111089918.4A CN113779844B (zh) | 2021-09-17 | 2021-09-17 | 一种含多裂纹损伤曲梁弹性屈曲的自适应求解方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111089918.4A CN113779844B (zh) | 2021-09-17 | 2021-09-17 | 一种含多裂纹损伤曲梁弹性屈曲的自适应求解方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113779844A CN113779844A (zh) | 2021-12-10 |
CN113779844B true CN113779844B (zh) | 2022-07-12 |
Family
ID=78851644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111089918.4A Expired - Fee Related CN113779844B (zh) | 2021-09-17 | 2021-09-17 | 一种含多裂纹损伤曲梁弹性屈曲的自适应求解方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113779844B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116579193B (zh) * | 2022-12-20 | 2024-03-19 | 湘潭大学 | 挠度应变能等效的梁结构局部等效刚度计算方法 |
-
2021
- 2021-09-17 CN CN202111089918.4A patent/CN113779844B/zh not_active Expired - Fee Related
Non-Patent Citations (2)
Title |
---|
变截面变曲率梁振型的有限元超收敛拼片恢复解和网格自适应分析;王永亮;《工程力学》;20201230;第37卷(第12期);第1-7页 * |
含裂纹损伤圆弧曲梁弹性屈曲的有限元网格自适应分析;王永亮;《工程力学》;20210228;第38卷(第2期);摘要,第9页左栏第2段-第15页右栏第1段,图1-2 * |
Also Published As
Publication number | Publication date |
---|---|
CN113779844A (zh) | 2021-12-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111460558B (zh) | 基于位移和转角的梁结构初始状态识别方法 | |
Lee et al. | Efficient welding distortion analysis method for large welded structures | |
JP5063768B2 (ja) | 変形推定方法、プログラムおよび記録媒体 | |
CN113779844B (zh) | 一种含多裂纹损伤曲梁弹性屈曲的自适应求解方法 | |
Li et al. | Investigating welding distortion of thin-plate stiffened panel steel structures by means of thermal elastic plastic finite element method | |
Shadkam et al. | Effect of sequence and stiffener shape on welding distortion of stiffened panel | |
CN108121865A (zh) | 一种基于伴随变量法的含有多不确定参数的结构区间响应传播分析方法 | |
Park et al. | Prediction of the welding distortion of large steel structure with mechanical restraint using equivalent load methods | |
Habibi et al. | A dual approach to perform geometrically nonlinear analysis of plane truss structures | |
Funes et al. | An efficient dynamic formulation for solving rigid and flexible multibody systems based on semirecursive method and implicit integration | |
Cho et al. | Calculation of stress intensity factors in 2‐D linear fracture mechanics by Petrov–Galerkin natural element method | |
Vempati et al. | Simulation of Ti-6Al-4V cruciform welded joints subjected to fatigue load using XFEM | |
Mikihito et al. | A simplified FE simulation method with shell element for welding deformation and residual stress generated by multi-pass butt welding | |
Shin et al. | Welding simulation using a reduced order model for efficient residual stress evaluation | |
Kawecki et al. | Numerical results quality in dependence on Abaqus plane stress elements type in big displacements compression test | |
Okano et al. | Engineering model of metal active gas welding process for efficient distortion analysis | |
Liu et al. | A novel compliant assembly variation analysis with consideration of initial deviation and welding shrinkage | |
Kani et al. | Single layer shallow lattice domes: analysis, general behaviour and collapse | |
Shahani et al. | Experimental investigation and finite element analysis of fatigue crack growth in pipes containing a circumferential semi-elliptical crack subjected to bending | |
CN110781621B (zh) | 一种含几何形状缺陷薄壁结构承载响应的快速重分析方法 | |
Philipp¹ et al. | Design of architectural membranes with isogeometric elements | |
CN113642898A (zh) | 一种含多裂纹损伤曲梁自由振动的自适应求解方法 | |
Mouhat et al. | Effect of loading pulse duration on dynamic buckling of stiffened panels | |
Huang et al. | Fast Prediction of Welding Distortion Using ISM and i-ISM with Experimental Validation | |
Cheon et al. | An Automatic Welding and Buckling Distortion Analysis Using 3D-CAD Models of Hull Structure |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: 100083 Beijing City, Haidian District Institute of Rutosids No. 11 Applicant after: Wang Yongliang Address before: 100084 Department of civil engineering, No. 1, Qinghua Park, Haidian District, Beijing Applicant before: Wang Yongliang |
|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230609 Address after: 100083 Beijing City, Haidian District Institute of Rutosids No. 11 Patentee after: CHINA University OF MINING AND TECHNOLOGY BEIJING Address before: 100083 Beijing City, Haidian District Institute of Rutosids No. 11 Patentee before: Wang Yongliang |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220712 |