1)这个齿形接触面应该是没有很大的fatigue damage, since a compressive stress state is dominant0 t6 d4 S8 m" m6 l
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2) 什么材料?几个工况 (三个?) ' B$ ~4 s" F' w7 E) H. J! }4 t6 D4 e* F1 `
3)you probably also want to include a crank pin and a piston pin in order to setup the BCs.
4 i* S3 F9 \! Z4 I) U+ h& X- W & L4 }5 ?3 B& y6 G2 ^: GI would say this is a little uncommon. Do you have some metallurgical images such as fracture surfaces to share?