Materials integrity in microsystems

A framework for a petascale predictive-science-based multiscale modeling and simulation system

Albert C. To, Wing Kam Liu, Gregory B. Olson, Ted Belytschko, Wei Chen, Mark S. Shephard, Yip Wah Chung, Roger Ghanem, Peter W. Voorhees, David N. Seidman, Chris Wolverton, J. S. Chen, Brian Moran, Arthur J Freeman, Rong Tian, Xiaojuan Luo, Eric Lautenschlager, A. Dorian Challoner

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Microsystems have become an integral part of our lives and can be found in homeland security, medical science, aerospace applications and beyond. Many critical microsystem applications are in harsh environments, in which long-term reliability needs to be guaranteed and repair is not feasible. For example, gyroscope microsystems on satellites need to function for over 20 years under severe radiation, thermal cycling, and shock loading. Hence a predictive-science-based, verified and validated computational models and algorithms to predict the performance and materials integrity of microsystems in these situations is needed. Confidence in these predictions is improved by quantifying uncertainties and approximation errors. With no full system testing and limited sub-system testings, petascale computing is certainly necessary to span both time and space scales and to reduce the uncertainty in the prediction of long-term reliability. This paper presents the necessary steps to develop predictive-science-based multiscale modeling and simulation system. The development of this system will be focused on the prediction of the long-term performance of a gyroscope microsystem. The environmental effects to be considered include radiation, thermo-mechanical cycling and shock. Since there will be many material performance issues, attention is restricted to creep resulting from thermal aging and radiation-enhanced mass diffusion, material instability due to radiation and thermo-mechanical cycling and damage and fracture due to shock. To meet these challenges, we aim to develop an integrated multiscale software analysis system that spans the length scales from the atomistic scale to the scale of the device. The proposed software system will include molecular mechanics, phase field evolution, micromechanics and continuum mechanics software, and the state-of-the-art model identification strategies where atomistic properties are calibrated by quantum calculations. We aim to predict the long-term (in excess of 20 years) integrity of the resonator, electrode base, multilayer metallic bonding pads, and vacuum seals in a prescribed mission. Although multiscale simulations are efficient in the sense that they focus the most computationally intensive models and methods on only the portions of the space-time domain needed, the execution of the multiscale simulations associated with evaluating materials and device integrity for aerospace microsystems will require the application of petascale computing. A component-based software strategy will be used in the development of our massively parallel multiscale simulation system. This approach will allow us to take full advantage of existing single scale modeling components. An extensive, pervasive thrust in the software system development is verification, validation, and uncertainty quantification (UQ). Each component and the integrated software system need to be carefully verified. An UQ methodology that determines the quality of predictive information available from experimental measurements and packages the information in a form suitable for UQ at various scales needs to be developed. Experiments to validate the model at the nanoscale, microscale, and macroscale are proposed. The development of a petascale predictive-science-based multiscale modeling and simulation system will advance the field of predictive multiscale science so that it can be used to reliably analyze problems of unprecedented complexity, where limited testing resources can be adequately replaced by petascale computational power, advanced verification, validation, and UQ methodologies.

Original languageEnglish
Pages (from-to)485-510
Number of pages26
JournalComputational Mechanics
Volume42
Issue number4
DOIs
Publication statusPublished - Sep 2008

Fingerprint

Multiscale Simulation
Microsystems
Multiscale Modeling
Simulation System
Integrity
Modeling and Simulation
Uncertainty Quantification
Cycling
Software System
Shock
Verification and Validation
Gyroscope
Radiation
Gyroscopes
Testing
Software
Prediction
Uncertainty
Homeland Security
Micromechanics

Keywords

  • MEMS
  • Microsystems
  • Multiscale modeling
  • Petascale computing

ASJC Scopus subject areas

  • Mechanics of Materials
  • Computational Mechanics
  • Applied Mathematics
  • Safety, Risk, Reliability and Quality

Cite this

Materials integrity in microsystems : A framework for a petascale predictive-science-based multiscale modeling and simulation system. / To, Albert C.; Liu, Wing Kam; Olson, Gregory B.; Belytschko, Ted; Chen, Wei; Shephard, Mark S.; Chung, Yip Wah; Ghanem, Roger; Voorhees, Peter W.; Seidman, David N.; Wolverton, Chris; Chen, J. S.; Moran, Brian; Freeman, Arthur J; Tian, Rong; Luo, Xiaojuan; Lautenschlager, Eric; Challoner, A. Dorian.

In: Computational Mechanics, Vol. 42, No. 4, 09.2008, p. 485-510.

Research output: Contribution to journalArticle

To, AC, Liu, WK, Olson, GB, Belytschko, T, Chen, W, Shephard, MS, Chung, YW, Ghanem, R, Voorhees, PW, Seidman, DN, Wolverton, C, Chen, JS, Moran, B, Freeman, AJ, Tian, R, Luo, X, Lautenschlager, E & Challoner, AD 2008, 'Materials integrity in microsystems: A framework for a petascale predictive-science-based multiscale modeling and simulation system', Computational Mechanics, vol. 42, no. 4, pp. 485-510. https://doi.org/10.1007/s00466-008-0267-1
To, Albert C. ; Liu, Wing Kam ; Olson, Gregory B. ; Belytschko, Ted ; Chen, Wei ; Shephard, Mark S. ; Chung, Yip Wah ; Ghanem, Roger ; Voorhees, Peter W. ; Seidman, David N. ; Wolverton, Chris ; Chen, J. S. ; Moran, Brian ; Freeman, Arthur J ; Tian, Rong ; Luo, Xiaojuan ; Lautenschlager, Eric ; Challoner, A. Dorian. / Materials integrity in microsystems : A framework for a petascale predictive-science-based multiscale modeling and simulation system. In: Computational Mechanics. 2008 ; Vol. 42, No. 4. pp. 485-510.
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AU - Belytschko, Ted

AU - Chen, Wei

AU - Shephard, Mark S.

AU - Chung, Yip Wah

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