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MATERIAL SURFACE THERMAL PROPERTY IDENTIFICATION USING HEAT FLUX TACTILE SENSOR
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作者 吴剑锋 毛志鹏 +2 位作者 李建清 周连杰 蔡凤 《Transactions of Nanjing University of Aeronautics and Astronautics》 EI 2012年第1期84-89,共6页
Eased on the mechanism of temperature tactile sensing of human finger,a heat flux tactile sensor com- posed of a thermostat module and a heat flux sensor is designed to identify material thermal properties. The ther- ... Eased on the mechanism of temperature tactile sensing of human finger,a heat flux tactile sensor com- posed of a thermostat module and a heat flux sensor is designed to identify material thermal properties. The ther- mostat module maintains the sensor temperature invariable, and the heat flux sensor(Peltier device) detects the heat flux temperature difference between the thermostat module and the object surface. Two different modes of the heat flux tactile sensor are proposed, and they are simulated and experimented for different material objects. The results indicate that the heat flux tactile sensor can effectively identify different thermal properties. 展开更多
关键词 heat flux tactile sensor heat flux material identification Peltier device ansys finite element method(FEM) simulation
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Ultimate Compressive Strength Computational Modeling for Stiffened Plate Panels with Nonuniform Thickness 被引量:1
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作者 Hyun Ho Lee Jeom Kee Paik 《Journal of Marine Science and Application》 CSCD 2020年第4期658-673,共16页
The aim of this paper is to develop computational models for the ultimate compressive strength analysis of stiffened plate panels with nonuniform thickness.Modeling welding-induced initial deformations and residual st... The aim of this paper is to develop computational models for the ultimate compressive strength analysis of stiffened plate panels with nonuniform thickness.Modeling welding-induced initial deformations and residual stresses was presented with the measured data.Three methods,i.e.,ANSYS finite element method,ALPS/SPINE incremental Galerkin method,and ALPS/ULSAP analytical method,were employed together with existing test database obtained from a full-scale collapse testing of steel-stiffened plate structures.Sensitivity study was conducted with varying the difference in plate thickness to define a representative(equivalent)thickness for plate panels with nonuniform thickness.Guidelines are provided for structural modeling to compute the ultimate compressive strength of plate panels with variable thickness. 展开更多
关键词 Ultimate compressive strength Steel-stiffened plate structures Nonuniform plate thickness ansys finite element method ALPS/SPINE incremental Galerkin method ALPS/ULSAP analytical method
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