تاثیر بستر ویسکو-پاسترناک بر ارتعاش ورق سه لایه با یک هسته مدرج و لایه های مدرج پیزوالکتریک

نوع مقاله: مقاله علمی پژوهشی

نویسنده

استادیار دانشکده مهندسی مکانیک کاشان

چکیده

مقاله حاضر به بررسی مشخصه های ارتعاشی ورق ساخته شده از یک هسته مدرج الاستیک و مجهز شده به دو لایه مدرج پیزوالکتریک می پردازد. سازه مورد بررسی بر روی بستر الاستیک خطی ویسکو-پاسترناک قرار گرفته است. تمام خواص مکانیکی و الکتریکی به غیر از ضریب پواسون در راستای ضخامت و بر اساس تابع توانی تغییر می کند. پتانسیل الکتریکی سه بعدی در سه راستای ورق درنظر گرفته می شود. نتایج بدست آمده شامل مشخصه های ارتعاشی سیستم الکترومکانیکال می تواند اثر پارامترهای مکانیکی مختلف و همچنین اثر پارامترهای مختلف بستر را نشان دهد.

کلیدواژه‌ها

موضوعات


 

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