A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
RESEARCH ON YIELD STRENGTH PROBLEM OF HERTZ CONTACT STRESS
Hertz contact stress theory is the classic theory,it involves more complicated calculation process. In this paper,through theoretical analysis and numerical fitting,a relationship of the contact curvature function and contact elliptical rate was found,that is ln（ 1 / e） = 0. 224[ln[1 / F（ ρ） ]1. 407. Then,a elliptical rate is calculated directly by contacting curvature function,no longer need to process the look-up table and interpolation calculation that would be a kind of trouble and not accurate. At the same time,the stress states at a key point of contact body are found by elastic analysis results,and a method of the yield strength checking is estimated. It could bring convenience in engineering application.
RESEARCH ON YIELD STRENGTH PROBLEM OF HERTZ CONTACT STRESS
Hertz contact stress theory is the classic theory,it involves more complicated calculation process. In this paper,through theoretical analysis and numerical fitting,a relationship of the contact curvature function and contact elliptical rate was found,that is ln（ 1 / e） = 0. 224[ln[1 / F（ ρ） ]1. 407. Then,a elliptical rate is calculated directly by contacting curvature function,no longer need to process the look-up table and interpolation calculation that would be a kind of trouble and not accurate. At the same time,the stress states at a key point of contact body are found by elastic analysis results,and a method of the yield strength checking is estimated. It could bring convenience in engineering application.
RESEARCH ON YIELD STRENGTH PROBLEM OF HERTZ CONTACT STRESS
YANG XianQi (author) / LIU ShengRong (author) / CAO JianHua (author)
2016
Article (Journal)
Electronic Resource
Unknown
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