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In aircraft design, the structure must be designed to be strong and also lightweight. To fulfill various geometrical limitations, in the design process, geometrical aircraft structure will change dramatically, because of joint and hole. Those things will make stress concentration. <br /> &...
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| Format: | Final Project |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/17651 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | In aircraft design, the structure must be designed to be strong and also lightweight. To fulfill various geometrical limitations, in the design process, geometrical aircraft structure will change dramatically, because of joint and hole. Those things will make stress concentration. <br />
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Based on experiment, stress concentration which occured in hollow structure can be measured with two common methods; optical technique and non-optical technique. Non-optical technique such as strain gauge and LVDT required contact between measuring device and measured area, so that displacements data which is got is only local datum on one point. To get all data on entire specimens needed sensors or measuring devices as much as desired points. This process also takes time in device setting and calibrating. <br />
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To handle the disadvantage of this non-optical technique, optical technique was made. One mostly used optical technique is digital image correlation (DIC). DIC used image sensor as its instruments. The advantage of DIC is full-field displacements on the desired area can be achieved and conducted without direct contact with the specimens. |
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