Computer-aided clothing thermal functional engineering design

This thesis presents and realizes a strategy of computer-aided clothing thermal engineering design. By the application and integration of multidisciplinary knowledge, a computational simulation-based and computer-aided technique is developed to quantify the thermal performance of clothing and its impact on the thermal biology of the human body in various wearing situations.;Clothing thermal engineering design is an innovative application of engineering principles in clothing design and involves the knowledge across a range of disciplines, including physics and biological mechanisms, computational simulation models, computational and CAD technologies. A systematical definition of clothing thermal engineering design is presented and an innovative multi-disciplinary framework derived from different disciplines is proposed to apply and integrate involved knowledge and data.;In order to utilize the capability of computational simulation models, a set of simulation models is selected and assessed by using a set of engineering design criteria to model the thermal behaviors involved the clothing system. To generate the numerical solutions of the simulation models, computational schemes are developed to implement the numerical algorithms of computational simulation for the purpose of clothing thermal engineering design.;In order to achieve the aim of computer-aided clothing thermal engineering design, an software architecture is proposed and developed with the identification of user requirements. Under the designed architecture, two software systems are developed for clothing multi-layer design and multi-style design corresponding to different application requirements. The functionalities and interfaces provided by the systems enable the user to design, simulate, preview and analyze the thermal performance of clothing during the wearing period. Design cases carried out using the software systems are illustrated to show the design procedures and system functionalities. The accuracy of the systems is validated by comprising simulation results with the experimental measurements derived in wear trials using human subjects. Using the software systems, users can carry out dynamic iterative design and engineering of clothing, which are supported by database, data visualization functionality to preview the thermal performance of clothing with scientific data presentation, as well as communicative 2D and 3D visual illustrations.