Alternate approximation of concave cost functions for process design and supply chain optimization problems
نویسندگان
چکیده
منابع مشابه
Alternate approximation of concave cost functions for process design and supply chain optimization problems
This short note presents an alternate approximation of concave cost functions used to reflect economies of scale in process design and supply chain optimization problems. To approximate the original concave function, we propose a logarithmic function that is exact and has bounded gradients at zero values in contrast to other approximation schemes. We illustrate the application and advantages of...
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در این پایان نامه روش جدیدی مبتنی بر روش حل معادلات دیفرانسیل پارهای بر اساس روش توابع پایه برای حل مسایل ارتعاش اجباری واستاتیک تیرها و صفحات لایه ای ارایه شده است که می توان تفاوت این روش با روش های متداول توابع پایه را در استفاده از توابع هموار در ارضاء معادلات حاکم و شرایط مرزی دانست. در روش ارایه شده در این پایاننامه از معادله تعادل به عنوان معادله حاکم بر رفتار سیستم استفاده شده است که مو...
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ژورنال
عنوان ژورنال: Computers & Chemical Engineering
سال: 2014
ISSN: 0098-1354
DOI: 10.1016/j.compchemeng.2013.10.001