Simulation and Modeling Methodologies, Technologies and Applications: International Online Conference (SIMULTECH 2021)

Preface
Organization
Contents
Development and Extended Validation of a Lumped Parameter Prediction Model for Analysing Injury Parameters in a Vehicle Crash
	1 Introduction
	2 Methodology
		2.1 FEM Simulations for Validation
		2.2 Description of the Lumped Parameter Model
		2.3 Vehicle Crash Model - Phase I
		2.4 Vehicle Crash Model - Phase II
		2.5 Robustness Check
	3 Results and Discussion
		3.1 Phase I
		3.2 Phase II
		3.3 Robustness Check
	4 Conclusions
	References
Integrating GPU-Accelerated Tetrahedral Mesh Editing and Simulation
	1 Introduction
	2 Related Work
		2.1 GPU-Accelerated Mesh Processing
		2.2 Tetrahedral Mesh Editing
		2.3 GPU-Accelerated Finite Element Analysis
		2.4 Distributed CAD/CAE
	3 Distributed Editing and Simulation
		3.1 Workflow and Communication
		3.2 Mapping CAD Surfaces
		3.3 Front End
		3.4 Modeling and Simulation Services
		3.5 Speculative Simulation
	4 GPU-Accelerated Geometry Editing
		4.1 Surface Mesh Extraction
		4.2 Volumetric Hole Filling
		4.3 Erosion
	5 Results
	6 Conclusions
		6.1 Future Work
	References
Performance Study of Vertical Submersible Pump in Terms of Induced Loads and Vibrations
	1 Introduction
	2 Model Description
	3 Mathematical Formulation
		3.1 Liquid Flow Velocity and Pressure [17]
		3.2 Axial and Radial Forces
		3.3 Stresses and Strains [17]
		3.4 Mechanical Vibrations in the Vertical Submersible Pumps
		3.5 Diffuser Equations [17]
	4 Numerical Implementation, Submersible Pump Modeling and Simulation Steps
	5 Results and Discussion
	6 Conclusion
	References
Comparison of Modelling Approaches and Solvers on Harmonic Studies for Renewable Energy Integration
	1 Introduction
	2 Modelling Approach
		2.1 Symmetrical Components
		2.2 Harmonic Source Modelling
	3 Simulation Results and Discussion
		3.1 Network Description
		3.2 Frequency Scans
		3.3 Harmonic Load Flow
		3.4 Frequency-Dependent Impedance Model and Harmonic Analysis
	4 Conclusion
	References
Stretching Simulation of Viscoelastic Fluid with Spring Connection
	1 Introduction
	2 Previous Studies
	3 Simulation Method
		3.1 Governing Equations
		3.2 High Precision Calculation
		3.3 Constitutive Equation
		3.4 Spring Model
	4 Simulation and Results
	5 Conclusions
	References
SysML and Petri Nets Based Methodology for Analysis and Performance Evaluation in WSNs
	1 Introduction
	2 Background
		2.1 SysML
		2.2 Deterministic Stochastic Petri Nets
	3 Related Work
	4 Methodology and Mapping Rules
	5 Running Example
		5.1 SysML AD to DSPN Transformation
		5.2 Preliminary Verification
		5.3 Energy Consumption Evaluation
	6 Conclusion
	References
Growing Bioinspired Synthetic Landscape Ecologies and the Adequacy of Object Oriented Programming
	1 Introduction
	2 Material and Method
		2.1 Model Purpose
		2.2 Context: Research in Rodents’ Bio-Ecology and Epidemiology
		2.3 Approach: Growing the Model as a Heuristic
		2.4 Use of Computer Paradigms
	3 Results
		3.1 The Emerging Architecture
		3.2 Use of Object-Oriented Paradigms
	4 Discussion
		4.1 Genericity, Robustness and Reusability
		4.2 Influence of Formalism on Results
	5 Conclusion
	References
On Advanced Modeling of Compressors and Weighted Mix Iteration for Simulation of Gas Transport Networks
	1 Introduction
	2 Modeling of Gas Compressors
	3 Warp Transformation
	4 Mix Iteration
	5 Results of Numerical Tests
	6 Conclusions
	References
Quasi-static Optimal Control Strategy of Lattice Boom Crane Based on Large-Scale Flexible Non-linear Dynamics
	1 Introduction
	2 Modeling of Lattice Boom Crane
		2.1 Single Beam Elements
		2.2 Super Truss Element
		2.3 Lattice Boom Crane
	3 Quasi-static Optimal Control
		3.1 Quasi-static Optimal Trajectory Tracking Strategy
		3.2 Detailed Implementation Steps
	4 Simulation and Analysis
		4.1 Simulation for Lattice Boom Crane
		4.2 Quasi-static Optimal Control of Lattice Boom Crane
	5 Conclusion and Outlook
	References
Simulation Conditionally to a Subvariety and Application to Bayesian Optimization: A Dichotomous Approach
	1 Introduction
	2 Toward a Generic Sampling Approach
		2.1 Condiderations About Interval Analysis
		2.2 Naive Dichotomous Approach for Sampling
	3 Generic Dichotomous Approaches for Sampling
		3.1 Some Containment of the Curse of Dimension
		3.2 Incremental Algorithm
		3.3 Practical Implementation and Parallelism
	4 Application to Bayesian Optimization
	5 Examples and Tests
		5.1 Simulation: Test Cases
		5.2 Simulation: Case (a)
		5.3 Simulation: Case (b)
		5.4 Simulation: Case (c)
		5.5 Bayesian Optimization
	6 Conclusion
	References
A Python-Based Mixed Discrete-Continuous Simulation Framework for Digital Twins
	1 Introduction
		1.1 A Review of Simulation Approaches for Digital Twins
		1.2 Motivation and Design Goals
	2 Framework for Mixed Discrete-Continuous Simulation
		2.1 The Events Interface
		2.2 Implementation
	3 A Modeling Example
		3.1 Heater
		3.2 Fluid Tank
		3.3 The System
	4 An Improved Scheme for Time Advancement
	5 Future Work and Conclusions
	References
Author Index