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Keywords: Uncertainty
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Proceedings Papers

Proc. ASME. IMECE2021, Volume 2A: Advanced Manufacturing, V02AT02A014, November 1–5, 2021
Paper No: IMECE2021-71563
... are also conducted. The reasons for the differences of FEA results from the experimental results and solutions to improve the prediction accuracy are discussed. additive manufacturing material extrusion lattice structure finite element analysis uncertainty Proceedings of the ASME 2021...
Proceedings Papers

Proc. ASME. IMECE99, Heat Transfer: Volume 4, 65-70, November 14–19, 1999
Paper No: IMECE1999-1104
... are used in mixed radiation and convection environments, this facility provides a unique opportunity to assess a sensor’s convective response. This report describes a second-generation heated plate and provides an analysis of the system uncertainty. Redundant references, improved sensor heating...
Proceedings Papers

Proc. ASME. IMECE2020, Volume 14: Safety Engineering, Risk, and Reliability Analysis, V014T14A002, November 16–19, 2020
Paper No: IMECE2020-24067
... dynamic fault tree Monte-Carlo simulation fuzzy logic uncertainty A COMPARISON OF PROBABILISTIC-MONTE CARLO AND FUZZY-MONTE CARLO SIMULATION APPROACHES FOR DYNAMIC FAULT TREE: CASE OF RENEWABLE POWER SYSTEMS Jafar Asghari RRRQ Consulting Company Westwood, MA USA Mohammad Pourgol Mohammad...
Proceedings Papers

Proc. ASME. IMECE2020, Volume 10: Fluids Engineering, V010T10A007, November 16–19, 2020
Paper No: IMECE2020-23711
...Abstract Abstract Based on experience from wet gas compressor testing at NTNU (low-pressure air-water fluid) and K-Lab full-scale testing (normal operating conditions, high pressure and hydrocarbon fluids), this paper documents important aspects relating to the uncertainty evaluation of wet gas...
Proceedings Papers

Proc. ASME. IMECE2020, Volume 4: Advances in Aerospace Technology, V004T04A021, November 16–19, 2020
Paper No: IMECE2020-24478
... of external disturbances. The control methodology is composed of two steps. In the first step, an exact control strategy is developed for a nominal system model which provides the best assessment of real-life uncertainties. Upon using results from analytical dynamics, a closed-form control input is derived...
Proceedings Papers

Proc. ASME. IMECE2019, Volume 14: Design, Systems, and Complexity, V014T14A009, November 11–14, 2019
Paper No: IMECE2019-10497
... to customers as well as uncertainties are calculated using Adaptive Conjoint Analysis and a Monte Carlo simulation. The results are consolidated in a visualization and the product features are classified according to their future implementation in robust product architecture. The procedure is explained using...
Proceedings Papers

Proc. ASME. IMECE2019, Volume 8: Heat Transfer and Thermal Engineering, V008T09A079, November 11–14, 2019
Paper No: IMECE2019-11652
...MEASUREMENT ERRORS AND UNCERTAINTY ESTIMATION OF AN EXPERIMENTAL SET UP USING A 2D PIV TECHNIQUE Flávia V. Barbosa MEtRICs I&D Centre School of Engineering University of Minho, Guimarães, Portugal Carlos A. P. Costa MEtRICs I&D Centre School of Engineering University of Minho, Guimarães, Portugal...
Proceedings Papers

Proc. ASME. IMECE2019, Volume 2A: Advanced Manufacturing, V02AT02A061, November 11–14, 2019
Paper No: IMECE2019-11727
... rely on assumptions that may neglect or simplify process physics, resulting in uncertainty in their prediction accuracy. Predictive uncertainty and its characterization can vary greatly between models. This paper characterizes sources of L-PBF model uncertainty, including those due to modeling...
Proceedings Papers

Proc. ASME. IMECE2013, Volume 5: Education and Globalization, V005T05A025, November 15–21, 2013
Paper No: IMECE2013-62471
...OVERVIEW OF PLANNED ASME/VUPRE CONFERENCE MEETING ON VULNERABILITY, UNCERTAINTY AND PROBABILITY QUANTIFICATION IN REGULATORY ENGINEERING, AND IMECE2012 & FEOFS2013 RE SESSIONS Hiroshi Honda Industry Frontier Research and Development Committee 0B#1-301, Higashi Narashino 2-17 Narashino City, Chiba...
Proceedings Papers

Proc. ASME. IMECE2010, Volume 11: New Developments in Simulation Methods and Software for Engineering Applications; Safety Engineering, Risk Analysis and Reliability Methods; Transportation Systems, 339-345, November 12–18, 2010
Paper No: IMECE2010-39789
... uncertainties, and too many risk events. The “professional sophistication” usually is detrimental to the entire cost and schedule risk analysis and it constitutes a significant source of the analysis’ failure. The paper presents few cases when so called “professional sophistication” led to the initial analysis...
Topics: Risk, Uncertainty
Proceedings Papers

Proc. ASME. IMECE2010, Volume 8: Dynamic Systems and Control, Parts A and B, 1009-1015, November 12–18, 2010
Paper No: IMECE2010-39371
... displacement and fluid dynamics are strongly nonlinear. The system has uncertainties in multiple parameters in the model, which make the system difficult to adjust to the environment and consequently require adaptation for sustainability and capability. The novelty of this research is that the uncertain...
Proceedings Papers

Proc. ASME. IMECE2009, Volume 4: Design and Manufacturing, 255-257, November 13–19, 2009
Paper No: IMECE2009-12714
... 07 07 2010 Analysis tool such as FEM which can analyze structure with design uncertainty is needed for considering the structural property of the products from the early phase of design dealing with various uncertainties. This paper describes the application of the concept of Set-Based...
Proceedings Papers

Proc. ASME. IMECE2008, Volume 10: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B, and C, 881-892, October 31–November 6, 2008
Paper No: IMECE2008-67943
... Estimation Uncertainty Bayesian Inference Nh e Proceedings of IMECE2008 2008 ASME International Mechanical Engineering Congress and Exposition er 31-November 6, 2008, Boston, Massachusetts, USA maximum likelihood (MLE) to estimate parameters with the assumption that the errors are normally distributed...
Proceedings Papers

Proc. ASME. IMECE2007, Volume 3: Design and Manufacturing, 169-177, November 11–15, 2007
Paper No: IMECE2007-42434
... significant risks. This paper seeks to expose this need for an interdisciplinary design method capable of proactively managing long-term uncertainties and risks. First, the paper provides an overview of trends and uncertainties in material prices and environmental regulations. Second, we highlight a variety...
Proceedings Papers

Proc. ASME. IMECE2007, Volume 12: New Developments in Simulation Methods and Software for Engineering Applications, 1-10, November 11–15, 2007
Paper No: IMECE2007-43121
... function of the thermal characteristics of the calorimeter, the initial and ambient conditions, and the convective heat transfer between the bath and the calorimeter walls. This paper describes the estimation of the heat transfer and the determination of the uncertainties in the computed sample specific...
Proceedings Papers

Proc. ASME. IMECE2002, Heat Transfer, Volume 6, 181-190, November 17–22, 2002
Paper No: IMECE2002-32428
... of the sensors may be uncertain. Blackwell [4] has discussed the effect of inaccuracies in the thermocouple positions (which also may reflect that the thermocouple senses the temperature in the vicinity but not at the exact point in the model) and con- cluded that there was a maximum uncertainty in position...
Proceedings Papers

Proc. ASME. IMECE2003, Heat Transfer, Volume 1, 139-147, November 15–21, 2003
Paper No: IMECE2003-41602
... assume for the purposes of this paper that the model is complete. Any pre- dicted temperature, T will have a bias and an uncertainty shown by Box (1) to be bias(T ) = V T b + 1 2 trace(Wcov (1a) var(T ) = (T )2 = V T covV (1b) 1 Copyright @2003 by ASMETHE USE OF SPATIAL STATISTIC IN ESTIMATING...
Proceedings Papers

Proc. ASME. IMECE2004, Heat Transfer, Volume 1, 323-331, November 13–19, 2004
Paper No: IMECE2004-62067
... Chaos, Uncertainty c T t = x (k T x ) (1a) [k T x ] + [k T x ]+ = H S t (1b) where the superscripts and + denote the fluxes to the left and right of the front and S/ t denotes the velocity normal to the front. works well only for linear sub-elements. For higher order el- ements...
Proceedings Papers

Proc. ASME. IMECE2004, Design Engineering, 3-11, November 13–19, 2004
Paper No: IMECE2004-59100
... of all feasible decisions based upon the specification limits for the performance variables and the control limits on the decision variables. Beyond current Six Sigma best practices, the described system explicitly considers both modeling uncertainty and uncontrolled variation. The specification limits...
Proceedings Papers

Proc. ASME. IMECE2004, Design Engineering, 821-829, November 13–19, 2004
Paper No: IMECE2004-60842
... 28 03 2008 This study addresses the critical need for computational tools to model complex nonlinear multibody dynamic systems in the presence of parametric and external uncertainty. Polynomial chaos has been used extensively to model uncertainties in structural mechanics and in fluids...