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数值模拟验证与确认(V&V)内容
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数值模拟验证与确认(V&V)内容

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[此贴子已经被作者于2012-4-17 5:10:31编辑过]

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科学计算中验证、确认和不确定度量化框架

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ASME Verification and validation Symposium
2012年美国机械学会ASME承办的国际首届会议验证与确认,将于2012年5月1日~ 2012年5月4日在Las Vegas举办
The call-for-abstracts brought an outstanding response with over 240 abstracts received.The result is a program that brings together engineers and scientists from around the world representing many different disciplines that use computational modeling and simulation. We hope this symposium provides a unique opportunity for you to discuss and exchange ideas and methods for verification of codes and solutions, simulation validation, and assessment of uncertainties in mathematical models, computational solutions, and experimental data.
final program has now been posted on the symposium website at:
https://www.asmeconferences.org/VVS2012/index.cfm
[此贴子已经被作者于2012-4-18 6:15:54编辑过]

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2012V&V邀请报告人之一:Patrick J. Roache
A Defense of Computational Physics: Popper’s Non-Verifiability vs.Computational Validation
Patrick J. Roache’s primary area of
expertise is in the numerical solution of partial differential equations, particularly those of fluid dynamics, heat
transfer, and electrodynamics, with special interest in verification and validation. He is the author of the original (1972) CFD book Computational Fluid Dynamics (translated into Japanese, Russian, and Chinese), the monograph Elliptic Marching Methods and Domain Decomposition (1995), the widely referenced Verification and Validation in Computational Science and Engineering (1995), the successor to the original CFD book Fundamentals of Computational Fluid Dynamics (1995), the successor to the original V&V book Fundamentals of Verification and Validation (2009), and the booklet A Defense of Computational Physics (2012). Roache served as associate editor for Numerical Methods for the ASME Journal of Fluids Engineering from 1985 to 1988, and coauthored that journal’s innovative Policy Statement on the Control
of Numerical Accuracy. He also chaired the AIAA Fluid Dynamics Subcommittee on Publication Standards for Computational Fluid Dynamics which produced the original AIAA Policy Statements on Numerical Accuracy. He co-edited an ASME symposium proceedings on Quantification of Uncertainty in CFD, wrote a chapter on that subject for Annual Reviews of Fluid Mechanics, and co-authored a chapter on V&V in the Handbook of Numerical Heat Transfer, 2nd Edition. He has taught eleven short courses (six for AIAA) on verification and validation. Committee work and publications on verification and validation include ASCE Free Surface Flow Model Verifications, and ASME committees on V&V in Computational Solid Mechanics (V&V 10), V&V in Fluid Dynamics and Heat Transfer (V&V 20), and the newly formed V&V in Computational Nuclear System
Thermal Fluids Behavior (V&V 30). Both V&V 10 and V&V 20 have
resulted in ASME publications accepted as ANSI standards.
He has served on the advisory editorial board of six international
journals and on several review boards and committees. He has
received career awards from the University of Cincinnati and the
University of Notre Dame, and the ASME Knapp Award. With
Prof. S. Steinberg, he pioneered the use of computer artificial
intelligence (symbolic manipulation) in CFD and variational grid
generation. He has served as adjunct faculty and visiting
professor in engineering and mathematics at six universities.
Roache is a Fellow of the ASME and Associate Fellow of AIAA.
He received his PhD (1967) in aerospace engineering from the
University of Notre Dame. For full resume, visit www.hermosapub.
com/hermosa.

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2012V&V邀请报告人之二:William L. Oberkampf
Practical and Technical
Challenges in Verification and
Validation
William L. Oberkampf received his PhD
in 1970 from the University of Notre
Dame in aerospace engineering. He has 41 years of experience
in research and development in fluid dynamics, heat transfer,
flight dynamics, and solid mechanics. He served on the faculty
of the Mechanical Engineering Department at the University of
Texas at Austin from 1970 to 1979. From 1979 until 2007 he
worked in both staff and management positions at Sandia
National Laboratories in Albuquerque, New Mexico. During his
career he has been deeply involved in both computational
simulation and experimental activities. During the last 20 years
he has been focused on verification, validation, uncertainty
quantification, and risk analyses in modeling and simulation. He
retired from Sandia as Distinguished Member of the Technical
Staff and is a Fellow of the American Institute of Aeronautics
and Astronautics. He has over 160 journal articles, book
chapters, conference papers, and technical reports, and has
taught 35 short courses in the field of verification and validation.
He recently co-authored, with Christopher Roy, the book
Verification and Validation in Scientific Computing published by
Cambridge University Press.

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v&v内容
请大家关注内容
1、科学和工程数值模拟中V&V的术语概念、方法及研究动态;
2、复杂工程M&S中V&V的流程、知识体系、标准和规范;
3、科学和工程数值模拟软件验证方法和技术研究,如软件质量保证、人为构造解验证等;
4、科学和工程数值模拟中确认方法和技术研究,如确认实验设计、物理模型等;
5、复杂工程数值模拟软件可信性度量、数值模拟结果不确定度评估方法;
6、大型数值模拟考核基准程序库、应用程序V&V分析包等;
7、...........。
[此贴子已经被作者于2012-4-24 6:28:11编辑过]

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关注“中国力学大会-2015”-《MS78科学与工程计算中的模型验证与确认(V&V)》
   随着现代计算机硬件和软件能力的快速发展,以及物理建模和数值计算能力的不断提升,高可信数值模拟已成为科学和工程研究的重要手段。建模与模拟(Modeling & Simulation, M&S)的验证、确认和不确定度量化(Verification, Validation and Uncertainty Quantification, V&V&UQ)是实现可信的重要途径。
本专题主要交流内容:
(1)科学和工程数值模拟V&V&UQ的基本理论和关键技术
(2)复杂工程M&S中V&V&UQ的流程、知识体系、标准和规范
(3)可信科学和工程数值模拟的研究动态
(4)建模和模拟的不确定度评估方法和应用研究
(5)高性能数值模拟软件的验证与确认研究
    (6)其它相关问题研究

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V&V&UQ的概念
验证(Verification)是通过标准的流程、有效的检验和客观证据,推断格式是否正确离散方程、程序是否正确实施了求解算法、软件是否达到用户需求等重要活动。
确认(Validation)主要是通过软件模拟结果与对应试验数据对比,评价模型描述实际物理过程或实验/试验数据的准确程度、模型形式与参数的适应范围。
不确定度量化(Uncertainty quantification,UQ)是通过科学的数学方法,对软件输入参数、模型形式和求解过程中等不确定性因素影响数值模拟结果的程度进行量化,据此评估软件的可信度。

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两篇文章
1)  One Method of Constructing Manufactured Solutions to 2D Hydrodynamics Euler Equations
2)  复杂工程建模和模拟的验证与确认,计算机辅助工程,2014,23(4):61-68.

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