NOMAD

From Joints Committee
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Below is a list of all projects performed at NOMAD over the years.

2014

  • Measurement Guidelines for Structures with Bolted Joints [1]
  • A Numerical Round Robin for Modeling Structures with Frictional Interfaces [2]
  • Quantifying Epistemic and Aleatoric Uncertainty in the Ampair 600 Wind Turbine [3]
  • Assessment of Experimentally Derived and Numerically Derived Reduced-Order Models

2015

  • Effects of Experimental Methods, part 2 [4] [5]
  • Numerical Round Robin, part 2 [6]
  • Quantification of Uncertainty in Lap Joints [7]
  • ROM Assessment [8]
  • Stress Waves Propagating Through Jointed Connections/How Joints Respond to a Shock [9]
  • Structural Design with Joints for Maximum Dissipation [10]
  • Nonlinear Dynamics and Controls of Micro- and Nano-Systems
  • STEM Cross-Cultural Interactions Study [11]

2016

  • In Situ Measurements of Contact Pressure for Jointed Interfaces During Dynamic Loading Experiments [12][13]
  • Sensing and Rating of Vehicle-Railroad Bridge Collision [14]
  • Evaluation of Interface Reduction Methods for Craig-Bampton Models [15]
  • Effect of Far-Field Structure on Joint Properties [16][17]
  • Experimental Assessment of the Influence of Interface Geometries on Structural Response [18]
  • Comparison of Nonlinear System Identification Methods for Free Decay Measurements with Application to MEMS Devices [19]
  • A comparison of numerical approaches for predicting the dynamics of a beam with a lap joint [20]
  • Designing brittle fracture specimens to investigate environmentally assisted crack growth [21][22]

2017

  • Inverse Methods for Characterization of Contact Areas in Mechanical Systems [23]
  • From Macroscopic Tensile Tests to Microscopic Mechanical Response of Components
  • Investigation of Craig-Bampton Models with Interface Reduction for Contacting Surfaces [24][25]
  • Influence of Edge Boundary Conditions and Cracks in Ferroelectrically-Excited Vibrational Modes [26]
  • Experimentally Characterize a new Benchmark Structure for Prediction of Damping Nonlinearity [27]
  • Measurements of Coupled Structural-Acoustic Modes [28]

2018

  • Constructing Optimal Surrogate Models for Bolted Fasteners in Multiaxial Loading
  • Influences of Modal Coupling on Experimentally Extracted Nonlinear Modal Models [29]
  • A Priori Methods to Assess the Strength of Nonlinearities for Design Applications [30]
  • Fatigue Properties of Additively Manufactured Hiperco
  • Material Failure Model and Properties for Puncture Simulations [31]
  • Predictive Structural Dynamics Modeling of Bolted Interfaces [32][33]

2019

  • Mechanics of bolt loosening under dynamic loads [34]
  • Investigation of electrical contact chatter in pin-receptacle contacts
  • Force reconstruction at mechanical interfaces [35]
  • Modeling and experimental validation of a pylon subassembly mockup with multiple nonlinearities [36]
  • Development of reactive potentials for molecular dynamic simulations
  • Indentation of heterogeneous materials: Factors affecting the indentation results and a comparison to bulk material testing
  • Validation of puncture simulations with various probe geometries

2020

  • NNM Force Appropriation Pre-Test Predictions of Assembly using Calibrated Component and Modal Shaker Models
  • Correlation of Reduced-Order Models of a Threaded Fastener
  • Nonlinear Analysis of Mechanical Joints in Finger-Like Mechanism-Based Morphing Wing Devices
  • Neural Network Informed Uncertainty Quantification for Structural Dynamics Reduced-Order Models

2021

  • Nonlinear Characterization of a Joint Exhibiting a Reduction in Damping at High Energy
  • Empirical Model of Puncture Energy for Metals
  • Mapping from Low Fidelity to High Fidelity Analysis for Failure Quantities of Interest
  • Modeling Rate Dependent Interface Separation with Cohesive Zone Models and Bulk Viscoelasticity
  • Investigating the Potential of Electrical Connection Chatter Induced by Structural Dynamics
  • Nonlinear Transient Response of Electromechanical Assemblies

References

  1. S. Smith, J. C. Bilbao-Ludena, S. Catalfamo, M. R. W. Brake, P. Reuß, and C. W. Schwingshackl, "The Effects of Boundary Conditions, Measurement Techniques, and Excitation Type on Measurements of the Properties of Mechanical Joints," Cham, 2016: Springer International Publishing, in Nonlinear Dynamics, Volume 1, pp. 415-431.
  2. L. Salles, C. Swacek, R. M. Lacayo, P. Reuss, M. R. W. Brake, and C. W. Schwingshackl, "Numerical Round Robin for Prediction of Dissipation in Lap Joints," Cham, 2016: Springer International Publishing, in Nonlinear Dynamics, Volume 1, pp. 53-64.
  3. B. A. Robertson, M. S. Bonney, C. Gastaldi, and M. R. W. Brake, "Quantifying Epistemic and Aleatoric Uncertainty in the Ampair 600 Wind Turbine," Cham, 2015: Springer International Publishing, in Dynamics of Coupled Structures, Volume 4, pp. 125-138.
  4. S. Catalfamo et al., "Effects of Experimental Methods on the Measurements of a Nonlinear Structure," Cham, 2016: Springer International Publishing, in Dynamics of Coupled Structures, Volume 4, pp. 491-500.
  5. S. A. Smith, M. R. W. Brake, and C. W. Schwingshackl, "On the Characterization of Nonlinearities in Assembled Structures," Journal of Vibration and Acoustics, vol. 142, no. 5, 2020, doi: 10.1115/1.4046956.
  6. J. Gross et al., "A Numerical Round Robin for the Prediction of the Dynamics of Jointed Structures," Cham, 2016: Springer International Publishing, in Dynamics of Coupled Structures, Volume 4, pp. 195-211.
  7. M. S. Bonney, B. A. Robertson, M. Mignolet, F. Schempp, and M. R. Brake, "Experimental Determination of Frictional Interface Models," Cham, 2016: Springer International Publishing, in Dynamics of Coupled Structures, Volume 4, pp. 473-490.
  8. D. R. Roettgen et al., "A Comparison of Reduced Order Modeling Techniques Used in Dynamic Substructuring," in The Mechanics of Jointed Structures: Recent Research and Open Challenges for Developing Predictive Models for Structural Dynamics, M. R. W. Brake Ed. Cham: Springer International Publishing, 2018, pp. 465-489.
  9. R. C. Flicek, K. J. Moore, G. M. Castelluccio, M. R. W. Brake, T. Truster, and C. I. Hammetter, "Stress Waves Propagating Through Bolted Joints," Cham, 2016: Springer International Publishing, in Dynamics of Coupled Structures, Volume 4, pp. 501-509.
  10. M. Stender, A. Papangelo, M. Allen, M. Brake, C. Schwingshackl, and M. Tiedemann, "Structural Design with Joints for Maximum Dissipation," Cham, 2016: Springer International Publishing, in Shock & Vibration, Aircraft/Aerospace, Energy Harvesting, Acoustics & Optics, Volume 9, pp. 179-187.
  11. B. M. Arviso, C. L. Croessmann, J. E. Fachko, R. W. Hatton, M. R. W. Brake, and D. B. Rizzo, "Cultural Perspective of the 2015 Nonlinear Mechanics and Dynamics Summer Research Institute," SAND2015-7027, Sandia National Laboratories, Albuquerque, NM, August 2015.
  12. M. R. W. Brake, J. G. Stark, S. A. Smith, D. P. T. Lancereau, T. W. Jerome, and T. Dossogne, "In Situ Measurements of Contact Pressure for Jointed Interfaces During Dynamic Loading Experiments," Cham, 2017: Springer International Publishing, in Dynamics of Coupled Structures, Volume 4, pp. 133-141.
  13. T. Dreher, M. R. W. Brake, B. Seeger, and M. Krack, "In situ, real-time measurements of contact pressure internal to jointed interfaces during dynamic excitation of an assembled structure," Mechanical Systems and Signal Processing, vol. 160, p. 107859, 2021, doi:https://doi.org/10.1016/j.ymssp.2021.107859.
  14. S. Vemuganti et al., "Sensing and Rating of Vehicle–Railroad Bridge Collision," Cham, 2017: Springer International Publishing, in Dynamics of Civil Structures, Volume 2, pp. 227-234.
  15. D. Krattiger et al., "Interface reduction for Hurty/Craig-Bampton substructured models: Review and improvements," Mechanical Systems and Signal Processing, vol. 114, pp. 579-603, 2019, doi: https://doi.org/10.1016/j.ymssp.2018.05.031.
  16. M. Brake, C. Schwingshackl, and P. Reuß, "Observations of variability and repeatability in jointed structures," Mechanical Systems and Signal Processing, vol. 129, pp. 282-307, 2019.
  17. S. B. Cooper et al., "Effect of Far-Field Structure on Joint Properties," Cham, 2017: Springer International Publishing, in Dynamics of Coupled Structures, Volume 4, pp. 63-77.
  18. T. Dossogne et al., "Experimental Assessment of the Influence of Interface Geometries on Structural Dynamic Response," Cham, 2017: Springer International Publishing, in Dynamics of Coupled Structures, Volume 4, pp. 255-261.
  19. V. Ondra, R. Riethmueller, M. R. W. Brake, C. W. Schwingshackl, P. M. Polunin, and S. W. Shaw, "Comparison of Nonlinear System Identification Methods for Free Decay Measurements with Application to MEMS Devices," Cham, 2017: Springer International Publishing, in Sensors and Instrumentation, Volume 5, pp. 29-46.
  20. R. Lacayo et al., "Nonlinear modeling of structures with bolted joints: a comparison of two approaches based on a time-domain and frequency-domain solver," Mechanical Systems and Signal Processing, vol. 114, pp. 413-438, 2019.
  21. S. Aduloju, W. Gu, T. Truster, J. Emery, D. Reedy, and S. J. Grutzik, "Designing Brittle Fracture Specimens to Investigate Environmentally Assisted Crack Growth," Cham, 2018: Springer International Publishing, in Fracture, Fatigue, Failure and Damage Evolution, Volume 7, pp. 25-33.
  22. S. J. Grutzik, S. Aduloju, T. Truster, and E. D. Reedy, "Residually Stressed Bimaterial Beam Specimen for Measuring Environmentally Assisted Crack Growth," Experimental Mechanics, vol. 61, no. 2, pp. 411-418, 2021, doi: 10.1007/s11340-020-00659-5.
  23. M. Fronk et al., "Inverse Methods for Characterization of Contact Areas in Mechanical Systems," Cham, 2019: Springer International Publishing, in Nonlinear Dynamics, Volume 1, pp. 45-56.
  24. P. J. Hughes and R. J. Kuether, "Nonlinear Interface Reduction for Time-Domain Analysis of Hurty/Craig-Bampton Super elements with Frictional Contact," Journal of Sound and Vibration, vol. 507, p. 116154, 2021, doi: https://doi.org/10.1016/j.jsv.2021.116154.
  25. P. J. Hughes, W. Scott, W. Wu, R. J. Kuether, M. S. Allen, and P. Tiso, "Interface Reduction on Hurty/Craig-Bampton Substructures with Frictionless Contact," Cham, 2019: Springer International Publishing, in Nonlinear Dynamics, Volume 1, pp. 1-16.
  26. J. Ortiz, G. Davis, K. Troyer, and P. Heyliger, "The Influence of Edge Boundary Conditions and Cracks on Vibrational Modes of Multilayer Ceramic Capacitors," Cham, 2019: Springer International Publishing, in Topics in Modal Analysis & Testing, Volume 9, pp. 79-89.
  27. A. Singh et al., "Experimental Characterization of a New Benchmark Structure for Prediction of Damping Nonlinearity," Cham, 2019: Springer International Publishing, in Nonlinear Dynamics, Volume 1, pp. 57-78.
  28. D. Fowler, G. Lopp, D. Bansal, R. Schultz, M. Brake, and M. Shepherd, "Experimental Demonstration of a Tunable Acoustoelastic System," Cham, 2019: Springer International Publishing, in Rotating Machinery, Vibro-Acoustics & Laser Vibrometry, Volume 7, pp. 179-189.
  29. B. J. Moldenhauer et al., "Influences of Modal Coupling on Experimentally Extracted Nonlinear Modal Models," Cham, 2020: Springer International Publishing, in Nonlinear Structures and Systems, Volume 1, pp. 189-204.
  30. E. Rojas et al., "A Priori Methods to Assess the Strength of Nonlinearities for Design Applications," Cham, 2020: Springer International Publishing, in Nonlinear Structures and Systems, Volume 1, pp. 243-246.
  31. N. Bieberdorf, Z. Towner, N. B. Hubbard, and W. Gerstle, "An Evaluation of Different Plasticity and Failure Laws in Simulating Puncture in 7075-T651 Aluminum," SAND2018-9205, Sandia National Laboratories, Albuquerque, NM, August 2018.
  32. A. R. Brink, R. J. Kuether, M. D. Fronk, B. L. Witt, and B. L. Nation, "Contact Stress and Linearized Modal Predictions of As-Built Preloaded Assembly," Journal of Vibration and Acoustics, vol. 142, no. 5, 2020, doi: 10.1115/1.4046957.
  33. M. Fronk et al., "Predictive Modeling of Bolted Assemblies with Surface Irregularities," Cham, 2020: Springer International Publishing, in Nonlinear Structures and Systems, Volume 1, pp. 247-258.
  34. M. Miller et al., "Bolt Preload Loss Due to Modal Excitation of a C-Beam Structure," Cham, 2021: Springer International Publishing, in Nonlinear Structures & Systems, Volume 1, pp. 203-214.
  35. D. Fowler, P. Logan, and P. Avitabile, "Force Reconstruction at Mechanical Interfaces Using a Modal Filtering Decomposition Approach," Experimental Techniques, 2021, doi: 10.1007/s40799-021-00467-z.
  36. C. Ligeikis, A. Bouma, J. Shim, S. Manzato, R. J. Kuether, and D. R. Roettgen, "Modeling and Experimental Validation of a Pylon Subassembly Mockup with Multiple Nonlinearities," Cham, 2021: Springer International Publishing, in Nonlinear Structures & Systems, Volume 1, pp. 59-74.