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PHYSICAL VALUE MAPPING ALGORITHM OF MESH IN FINE CAE ANALYSIS OF AUTOMOBILE BODY STRUCTURE 被引量:2
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作者 Hu Ping Gong Kejia Bao Yidong 《Chinese Journal of Mechanical Engineering》 SCIE EI CAS CSCD 2005年第3期338-341,共4页
A physical value mapping (PVM) algorithm based on finite element mesh from the stamped part in stamping process to the product is presented, In order to improve the efficiency of the PVM algorithm, a search way from... A physical value mapping (PVM) algorithm based on finite element mesh from the stamped part in stamping process to the product is presented, In order to improve the efficiency of the PVM algorithm, a search way from the mesh of the product to the mesh of the stamped part will be adopted. At the same time, the search process is divided into two steps: entire search (ES) and local search (LS), which improve the searching efficiency. The searching area is enlarged to avoid missing projection elements in ES process. An arc-length method is introduced in LS process. The validity is confirmed by the results of the complex industry-forming product. 展开更多
关键词 Fine CAE analysis of auto body structure Finite element mesh Arc method physical value mapping
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Quantum theory-based physical model of the human body in TCM 被引量:1
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作者 SONG Shuna SHE Zhensu 《Digital Chinese Medicine》 2022年第4期354-359,共6页
In the study,a quantum resonant cavity model based on wave-particle duality was proposed for the explanation of the dynamic processes of essence,vigor,and spirit in the human body in traditional Chinese medicine(TCM).... In the study,a quantum resonant cavity model based on wave-particle duality was proposed for the explanation of the dynamic processes of essence,vigor,and spirit in the human body in traditional Chinese medicine(TCM).It is assumed that there is a macro human order parameter(wave function),and its dynamics are governed by a macro potential field reflecting influences from heaven,earth,and society,and satisfy the generalized Schrodinger equation.This proposed model was applied in the study to interpret basic concepts of human body in TCM,with an aim to unfold the TCM development in the future. 展开更多
关键词 Quantum-resonant cavity Traditional Chinese medicine(TCM) physical model of the human body Complex system The order parameter
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PHYSICAL MODEL FOR THE ENGINEERING ANALYSISOF THE THERMOELASTICLTY OF SOLID BODIES
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《Chinese Journal of Mechanical Engineering》 SCIE EI CAS CSCD 2000年第3期165-170,177,共7页
关键词 physical MODEL FOR THE ENGINEERING ANALYSISOF THE THERMOELASTICLTY OF SOLID BODIES
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Three-dimensional experimental study of loose top-coal drawing law for longwall top-coal caving mining technology 被引量:13
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作者 Jiachen Wang Jinwang Zhang +1 位作者 Zhengyang Song Zhaolong Li 《Journal of Rock Mechanics and Geotechnical Engineering》 SCIE CSCD 2015年第3期318-326,共9页
Based on the loose medium flow field theory, the loose top-coal drawing law of longwall top-coal caving(LTCC) mining technology is studied by using self-developed three-dimensional(3D) test device. The loose top-c... Based on the loose medium flow field theory, the loose top-coal drawing law of longwall top-coal caving(LTCC) mining technology is studied by using self-developed three-dimensional(3D) test device. The loose top-coal drawing test with shields and the controlled test without shields are performed in the condition without any boundary effect. Test results show that shields will cause reduction in drawing volume of coal in the LTCC mining. The deflection phenomenon of drawing body is also observed in the controlled test, which is verified that the deflection of drawing body is caused by shield. It is found that the deflection angle decreases with increasing caving height, with the maximum value of atailand the minimum value of 0. In addition, the formula to calculate the drawing volume is proposed subsequently.The deflection of drawing body is numerically simulated using particle flow code PFC3 Dand the proposed formula to calculate drawing volume in LTCC is also verified. 展开更多
关键词 Longwall top-coal caving(LTCC) Caving shield Three-dimensional(3D) physical model test Deflection of drawing body PFC3D
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