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METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME 654 OPTIMUM DESIGN OF MECHANICAL PARTS บทที่ 1 บทนำ Dulyachot Cholaseuk.

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งานนำเสนอเรื่อง: "METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME 654 OPTIMUM DESIGN OF MECHANICAL PARTS บทที่ 1 บทนำ Dulyachot Cholaseuk."— ใบสำเนางานนำเสนอ:

1 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME 654 OPTIMUM DESIGN OF MECHANICAL PARTS บทที่ 1 บทนำ Dulyachot Cholaseuk Mechanical Engineering Department Thammasat University

2 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction2 หัวข้อ  แผนการสอน  แนะนำวิชา  เครื่องมือที่จำเป็น

3 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction3 แผนการสอน  Design theories  Optimum design of mechanical elements  Optimum and Robust Design  Representation of a free-form shape using non-uniform rational B-spline surface  Selection of design variables and objective functions  Solution of design optimization problems  Advanced computer aided design 1

4 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction4 แผนการสอน Wee k Date Topics 1 Introduction. Optimum design problem formulation. Review of necessary topics in mathematics. Introduction to computer programming and plotting software. 2 Minimization of unconstrained uni-variate and multivariate functions. Sufficient and necessary conditions for minimization. 3 Numerical method for optimization of unconstrained uni- vatiate functions. Line search: bisection, golden section, Newton's method and parabolic interpolation. 4 Numerical method for optimization of unconstrained multivariate functions. Gradient-based method: uni- direction search, steepest direction, conjugate gradient method and Newton's method. 5 Numerical method for optimization of unconstrained multivariate functions. Zeroth-order method: Grid search, downhill Simplex search, adaptive random search and genetic algorithm. 6 Project presentation. Recap.

5 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction5 Tentative Schedule Wee k Date Topics 9 Introduction to designed experiments and their application to optimization problem. Response functions. 10 Minimization of unconstrained functions. Geometric of a constrain optimization problem. Lagrange multipliers and their geometric meaning. Karush-Khun-Tucker conditions. Introduction to Excel solver module. 11 Basic numerical Method for constrain optimization problem. 12 Optimization of discrete problems. Simulated annealing. Genetic algorithm. Traveling salesman problem. 13 Multi-criteria optimization. Pareto solutions. Minimax method. Weighted objective method. 14 Case study. Black-box concept in solving engineering optimization problem. Mathematical representation of free form geometry. Bezier curves. B-spline curves. Nurbs. Intoduction to commercial software for engineering optimization. Robust design and other design concept. Discussion of advanced topics in optimum design. 15 Project presentation. Course Summary.

6 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction6 เอกสารอ้างอิง  Arora, J., Introduction to Optimum Design, 2nd Edition, McGraw-Hill  Stoecker, W., Design of Thermal Systems, 3rd Edition, McGraw-Hill  Press, W., et. al., Numerical Recipes in Fortran 77, Cambridge.

7 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction7 การประเมินผล  การบ้าน – 25%  โครงงาน – 25%  สอบกลางภาค – 25%  สอบปลายภาค – 25%  80%+ สำหรับโอกาสได้เกรด A.

8 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction8 วิชาบังคับก่อน  Engineering Mechanics Statics/Dynamics Mechanics of Solids  Mathematics Algebra Calculus  Programming skill ไม่มีวิชาบังคับก่อน แต่ต้องใช้ความรู้ดังต่อไปนี้

9 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction9 แนะนำวิชา 2 Design (in engineering context) = The management of constraints Manipulate design variables to satisfy non-negotiable constraints and optimize the negotiable constraints Usually, no unique solution.

10 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction10 ขั้นตอนการออกแบบ Recognition of Need Problem Formulation Conceptual Design Component Design Optimization Prototyping System Design Testing Manufacturing Process Design Production

11 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction11 การหาจุดที่เหมาะสมที่สุด - Optimization Maxima

12 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction12 การหาจุดที่เหมาะสมที่สุด - Optimization Minima

13 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction13 แบบฝึกหัด ?

14 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction14 การตั้งปัญหา ฟังก์ชั่นเป้าหมาย - Objective function ตัวแปร - Design variables ข้อจำกัด - Constraints

15 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction15 ตัวอย่างปัญหาการออกแบบ Design of a rod under tension

16 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction16 ปัญหาการออกแบบที่เหมาะสมที่สุด f r r g

17 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction17 ตัวอย่างทางวิศวกรรม

18 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction18 ประเภทของปัญหาการออกแบบที่ เหมาะสมที่สุด

19 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction19 รูปร่างของวัตถุที่มีแรงต้านการไหลต่ำ ที่สุด

20 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction20 รูปร่างของวัตถุที่รับความเค้นเต็ม

21 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction21 การกระจายวัสดุอย่างเหมาะสม

22 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction22 รูปแบบที่เหมาะสมที่สุด

23 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction23 การจัดลำดับ

24 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction24 เครื่องมือ 3  Program editor and compiler C/C++ Basic Fortran  Optimization tools Matlab Excel  Plotting software

25 METU Mechanical Engineering Department Faculty of Engineering, Thammasat University ME654 Module 1 : Introduction25 ซอฟท์แวร์สำหรับการแสดงผล  Matlab  Gnuplot


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