CILT2000: Visualization and Modeling     

Kali  Yael 《Journal of Science Education and Technology》2002,11(3):305-310

CILT2000 helped VisMod evolve from a collection of local and distinct research and development efforts into a solid field of education. Previous intellectual efforts focused around a) modeling and simulation tools, b) visual explanation tools, c) visual data analysis tools, d) exploring student needs in the context of VisMod, and e) exploring instructional frameworks for VisMod. These focus areas have evolved in two main trajectories, representing the evolution of the field, the generalization trend, which seeks to identify general principles and guidelines for designing learning environments, and the equitable application trend, seeking to use knowledge gained in the field to leverage education in general.  相似文献   

口腔仿真模拟系统及其在临床前教学中的应用     

贾骏  段嫄嫄  金磊  候晓冲  张少锋 《中国教育技术装备》2007,(2):29-30

介绍口腔仿真模拟系统的主要构成以及功能特点。在口腔临床前教学中应用此系统不但能够增强学生的学习积极性、巩固基础理论知识,而且能够提高临床操作技能,值得进一步在口腔教学中推广应用。  相似文献   

Numerical investigation of cavitating flow behind the cone of a poppet valve in water hydraulic system   总被引：2，自引：0，他引：2  

高红  傅新  杨华勇  Tsukiji Tetsuhiro 《浙江大学学报(A卷英文版)》2002,3(4):395-400

Computational Fluid Dynamics (CFD) simulations of cavitating flow through water hydraulic poppet valves were performed using advanced RNGk-epsilon turbulence model. The flow was turbulent, incompressible and unsteady, for Reynolds numbers greater than 43000. The working fluid was water, and the structure of the valve was simplified as a two dimensional axisymmetric geometrical model. Flow field visualization was numerically achieved. The effects of inlet velocity, outlet pressure, opening size as well as poppet angle on cavitation intensity in the poppet valve were numerically investigated. Experimental flow visualization was conducted to capture cavitation images near the orifice in the poppet valve with 30° poppet angle using high speed video camera. The binary cavitating flow field distribution obtained from digital processing of the original cavitation image showed a good agreement with the numerical result. Project supported by the National Natural Science Foundation of China (No. 59835160) and Scientific Research Foundation for Returned Overseas Chinese Scholars, State Education Ministry of China (No. 50175097)  相似文献   

能源动力仿真实验教学系统设计与应用     

高琪瑞  李东海  薛亚丽  李政  倪维斗 《实验技术与管理》2006,23(5):84-86

简要介绍了清华大学热能工程系建立的能源动力仿真实验教学系统，以及该系统在学生实践教学环节的作用。以仿真实验系统为媒介的教学实践环节，不仅帮助学生了解了实际工程知识和动手操作能力，而且还极大地促进了学生对专业的了解和热爱，培养了团队协作精神，对学生综合素质的培养和学习理论课知识起到了重要作用。  相似文献   

塑料异型材挤出成型模具建模和仿真技术     

吴晓丹 《广东技术师范学院学报》2007,66(10):58-60

阐述了塑料异型材挤出成型模具在设计与制造中的建模和仿真的基本方法,指出产品开发过程及塑料挤出成型模具的仿真和虚拟样机及虚拟制造技术是加快开发塑料挤出成型新产品步伐的必由之路.  相似文献   

基于MATLAB的模糊控制器设计及其性能分析     

陈海荣  钱向明  邱晓华 《金华职业技术学院学报》2005,5(3):9-12

本文首先介绍了模糊控制器的工作原理，并对一典型的二阶系统设计了模糊控制器。用MATLAB对所设计的控剞器进行了仿真验证，并详细分析了比例因子对模糊控制器性能的影响。  相似文献   

有源滤波器的计算机仿真模拟     

杨密  李振新 《新乡师范高等专科学校学报》2002,16(2):39-41

介绍了OrCAD/Pspice 9软件的特点及其应用 ,并运用该软件设计了一个二阶模拟带通滤波器 ,对它进行计算机仿真模拟。  相似文献   

心内科规范化培训教学中融入情景模拟结合案例教学法的探讨     

单培仁 《教育教学论坛》2019,(25):206-207

心血管内科疾病病情多变且突发急症多,使规范化培训带教困难,学员思维培养和技能掌握效果较差,因此传统的授课方法难以适应临床教学要求。本课题拟结合心内科疾病的特点,探讨情景模拟结合案例教学法的教学方式在心内科规培中的优越性及可行性。情景模拟结合案例教学能通过分析典型病例,深入理解疾病机制,在讨论中发散学习,形成立体的诊疗思维,并利用情景模拟训练临床技能,适应环境压力,适合心内科住院医师规范化培训。  相似文献   

Random vibration analysis of switching apparatus based on Monte Carlo method     

ZHAI Guo-fu CHEN Yang-hua REN Wan-bin 《浙江大学学报(A卷英文版)》2007,8(3):422-425

The performance in vibration environment of switching apparatus containing mechanical contact is an important element when judging the apparatus’s reliability. A piecewise linear two-degrees-of-freedom mathematical model considering contact loss was built in this work, and the vibration performance of the model under random external Gaussian white noise excitation was investigated by using Monte Carlo simulation in Matlab/Simulink. Simulation showed that the spectral content and statistical characters of the contact force coincided strongly with reality. The random vibration character of the contact system was solved using time (numerical) domain simulation in this paper. Conclusions reached here are of great importance for reliability design of switching apparatus.  相似文献   

单片机模拟软件的研究与设计   总被引：1，自引：0，他引：1  

朱兴统  左敬龙  余桂兰 《茂名学院学报》2002,12(4):42-44

单片机只能运行机器码，使得单片机程序调试极其繁锁，针对这一问题，笔者介绍了一种MCS51单片机模拟软件的设计方法，包括软件的数据流图，功能结构及软件特点。该软件既可模拟运行汇编程序，又可作为调试单片机汇编程序的工具，具有一定的实用价值。  相似文献