911 Field Theory-based Multi-Scale Modeling and Simulation for Fatigue-Crack Initiation

2009 ◽  
Vol 2009.22 (0) ◽  
pp. 627-628
Author(s):  
Yutaro AIGA ◽  
Tadashi HASEBE
Keyword(s):  
Field Theory ◽  
Fatigue Crack ◽  
Crack Initiation ◽  
Modeling And Simulation ◽  
Fatigue Crack Initiation ◽  
Multi Scale ◽  
Scale Modeling ◽  
Multi Scale Modeling

Assessment of Degrees of Cumulative Fatigue Crack Initiation Damage at Guyed Mast Earplate Joint

2011 ◽  
Vol 467-469 ◽  
pp. 776-781
Author(s):  
Wen Li Wang ◽  
Wei Lian Qu ◽  
Jie He
Keyword(s):  
Residual Stress ◽  
Fatigue Crack ◽  
Crack Initiation ◽  
Fatigue Crack Initiation ◽  
Welding Residual Stress ◽  
Critical Plane ◽  
Multi Scale ◽  
Cumulative Strain ◽  
Critical Plane Approach ◽  
Guyed Mast

This paper proposes a new method for assessing the degree of the cumulative fatigue crack initiation damage of the joint welds at the guyed mast earplate. Based on the multi-scale wind-induced stress analysis of the guyed mast earplate joint, and considering the welding residual stress in earplate joint, the critical plane approach is used for the calculation of cumulative strain fatigue damage due to the combined actions of the welding residual stress and the wind load.

A multi-scale modeling and simulation study to investigate the effect of roughness of a surface on its self-cleaning performance

2020 ◽  
Vol 5 (7) ◽  
pp. 1277-1289 ◽  
Author(s):  
Sushanta K. Sethi ◽  
Manjinder Singh ◽  
Gaurav Manik
Keyword(s):  
Surface Roughness ◽  
Modeling And Simulation ◽  
Simulation Study ◽  
Multi Scale ◽  
Cleaning Performance ◽  
Scale Modeling ◽  
Multi Scale Modeling ◽  
Self Cleaning

The importance of surface roughness on wettability is vital in developing novel techniques and materials for fabrication of self-cleaning coatings.

scholarly journals Method for Multi-Scale Modeling and Simulation of Assembly Systems

Procedia CIRP ◽  
2012 ◽  
Vol 3 ◽  
pp. 406-411 ◽  
Author(s):  
M. Neumann ◽  
C. Constantinescu ◽  
E. Westkämper
Keyword(s):  
Modeling And Simulation ◽  
Assembly Systems ◽  
Multi Scale ◽  
Scale Modeling ◽  
Multi Scale Modeling

Degradation of Metal-Supported SOFC and One Powerful Investigation Method: Multi-Scale Modeling and Simulation

2011 ◽  
Vol 110-116 ◽  
pp. 3376-3381
Author(s):  
Qiu An Huang ◽  
Su Zhen Mei ◽  
Ling Fang Xu ◽  
Wei Ming Yang
Keyword(s):  
Modeling And Simulation ◽  
Degradation Mechanism ◽  
Multi Scale ◽  
Scale Modeling ◽  
Scale Models ◽  
Research Procedure ◽  
Multi Scale Modeling ◽  
Further Development ◽  
Substrate Anode ◽  
Iron Chromium

Metal-supported solid oxide fuel cell (SOFC) has a varieties of potential advantages compared to the traditional ceramic supported SOFC. However, degradation issue of metal-supported SOFC is seriously impeding its further development, in particular, the inter-diffusion and interaction of iron, chromium and nickel at substrate/anode interface is known to be a key issue responsible for cell rapid degradation. With respect to the complexity and nonlinearity of degradation mechanism, multi-scale modeling and simulation is regarded as one powerful method to gain a deep insight on degradation mechanism. In present work, multi-scale models were presented to investigate multi-scale physicochemical phenomena happening at interface of anode/substrate, with the attempt to reveal degradation mechanism. The research procedure for the above goal was addressed in detail as well.

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