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Modeling Requirements Propagation. A Method to Generate Solutions to Reduce Mass

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Though mass can be reduced using different techniques such as material substitution or structural optimization; a systematic method is necessary to provide novel alternate solutions that enable reduction of mass of the system while satisfying the requirements and tests governing them. The systematic method to generate solutions for mass reduction presented in this work includes generation of solutions at an assembly level and component level of the system by eliminating non-functional requirements, merging functions, finding alternate working principles and their embodiment that satisfy the functionalities, requirements and tests imposed on that system. A case study is conducted on the BMW Z4 cooling system. A visualization tool and accompanying algorithms have been developed to facilitate change propagation and traceability. This work investigates the issue of weight reduction in moderately complex systems by addressing how to cascade the requirements to the individual components. Such a method has been developed by exploring different aspects of achieving weight reduction through change propagation in the parameters/elements governing the system.
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Морковь Счетный материал (Д-365).
Цель игры: знакомство с геометрическими телами, счет до 12. Для детей от 3-х лет. Материал: дерево. Производитель: Россия.
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Раздел: Счетные наборы, веера
Фоторамка "Моё фамильное дерево", серая, 25х30.
Большая семейная рамка для фотографий соберёт, сохранит и напомнит о самых важных событиях вашей жизни: школьные годы, свадьба, рождение
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Раздел: Мультирамки

Методика оптимизации библиотечной системы...
В імітаційній моделі були враховані структура й основні параметри системи. Результати роботи імітаційної моделі були використані для підрахунку критерію ефективності функціонування бібліотечної системи. Поєднуючи імітаційне моделювання з методом Нелдера- Міда, були отримані оптимальні параметри системи. Ключові слова: ІМІТАЦІЙНА МОДЕЛЬ, СИСТЕМА МАСОВОГО ОБСЛУГОВУВАННЯ, КРИТЕРІЙ, ЕФЕКТИВНІСТЬ. HE ABS RAC he repor o he degree work: 76 p., 12 fig., 10 ab., 30 sources I he give degree work he pa hes of risi g of overall performa ce of a library compu erized sys em are co sidered. I he begi i g i was required o collec a d o process he s a is ical i forma io o charac er of service i he library of KSZVA. he followi g s ep was co s ruc io of a imi a i g model of he give orga isa io -eco omic sys em. I he imi a i g model frame a d mai parame ers of he sys em were ake i o accou . he resul s of work of he imi a i g model were used for scori g cri erio of efficacy of he library sys em fu c io i g. Combi i g he imi a i g modeli g wi h he elder-Mid’s me hod, he op imal parame ers of he sys em were received. Key words: imi a i g model, sys em of mass service, cri erio , efficacy.

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