THREE DIMENSIONAL MEASURMENT DURING INFLATING PROCESS OF PNEUMATIC STRUCTURES

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Publication year 2004
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Title THREE DIMENSIONAL MEASURMENT DURING INFLATING PROCESS OF PNEUMATIC STRUCTURES
Author Ken’ichi Kawaguchi,Masayuki Takata
Summary Numerical simulation of inflating process is still counted as one of the difficult problems at the design stage of the pneumatic structures. In this paper three-dimensional measurement of membrane configuration of pneumatic structures during inflation process is firstly reported. Three-dimensional coordinates of the points on the membrane surface are identified by analyzing the static digital images obtained from synchronized digital cameras. Then numerical analysis, using truss elements for membrane material, based on the molecule weight incremental method is also carried out and compared with the results of the measurement.