Proceedings of the 5th International Modelica Conference Volume 2

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Table of Contents Multizone Building Model for Thermal Building Simulation in Modelica..........................................517 M. Wetter United Technologies Research Center, USA Session 5c: Free and Commercial Libraries 1................................................................................................527 The LinearSystems Library for Continuous and Discrete Control Systems.........................................529 M. Otter German Aerospace Center (DLR), Germany ARENALib: A Modelica Library for Discrete-Event System Simulation ...........................................539 V.S. Prat, A. Urquia, S. Dormido ETS de Ingeniería Informática, UNED, Spain Neural Network Library in Modelica ...................................................................................................549 F. Codecà, F. Casella Politecnico di Milano, Italy The Modelica Multi-bond Graph Library.............................................................................................559 D. Zimmer, F.E. Cellier ETH Zürich, Switzerland Session 5d: Electric Systems and Applications 2 ..........................................................................................569 The SmartElectricDrives Library - Powerful Models for Fast Simulations of Electric Drives............571 J.V. Gragger, H. Giuliani, C. Kral, T. Bäuml, H. Kapeller, F. Pirker arsenal research, Austria Quasi-stationary AC Analysis Using Phasor Description With Modelica ...........................................579 O. Enge [1] , C. Clauß [1] , P. Schneider [1] , P. Schwarz [1] , M. Vetter [2] , S. Schwunk [2] [1] Fraunhofer Institute Integrated Circuits, Germany, [2] Fraunhofer Institute Solar Energy Systems, Germany Identification and Controls of Electrically Excited Synchronous Machines ........................................589 H. Kapeller, A. Haumer, C. Kral, F. Pirker, G. Pascoli arsenal research, Austria Session 6a Language, Tools and Algorithms 5..............................................................................................597 Dynamic Optimization of Energy Supply Systems with Modelica Models .........................................599 C. Hoffmann, H. Puta Technische Universitaet Ilmenau, Germany Robust Initialization of Differential Algebraic Equations....................................................................607 B. Bachmann [1] , P. Aronsson [2] , P. Fritzson [2] [1] [2] University of Applied Sciences, Germany, Linköping University, Sweden Calibration of Static Models using Dymola .........................................................................................615 H. Olsson [1] , J. Eborn [2] , S.E. Mattsson [1] , H. Elmqvist [1] [1] [2] Dynasim AB, Sweden, Modelon AB, Sweden Automatic Fixed-point Code Generation for Modelica using Dymola ................................................621 U. Nordström [1,2] , J. D. Lopez [1] , H. Elmqvist [1] [1] Dynasim AB, Sweden, [2] Lund Institute of Technology, Sweden The Modelica Association Modelica 2006, September 4 th – 5 th x
Table of Contents Session 6b: Thermodynamic Systems and Applications ...............................................................................629 The Modelica Fluid and Media Library for Modeling of Incompressible and Compressible Thermo-Fluid Pipe Networks .....................................................................................................631 F. Casella [1] , M. Otter [2] , K. Proelss [3] , C. Richter [4] , H. Tummescheit [5] [1] [2] Politecnico di Milano, Italy, German Aerospace Center (DLR), Germany, [3] Technical University Hamburg-Harburg, Germany, [4] [5] Technical University Braunschweig, Germany, Modelon AB, Sweden Shock Wave Modeling for Modelica.Fluid Library using Oscillation-free Logarithmic Reconstruction........................................................................................................641 J. D. Lopez Dynasim AB, Sweden Modelling of an Experimental Batch Plant with Modelica ..................................................................651 K. Poschlad [1] , M.A.P. Remelhe [1] , M. Otter [2] [1] [2] University of Dortmund, Germany, German Aerospace Center (DLR), Germany Integral Analysis for Thermo-Fluid Applications with Modelica ........................................................661 J.J. Batteh Ford Motor Company, Research and Advanced Engineering, USA Session 6c: Free and Commercial Libraries 2................................................................................................669 Integration of CATIA with Modelica ...................................................................................................671 P. Bhattacharya [1] , N. Suyam Welakwe [2] , R. Makanaboyina [1] , A. Chimalakonda [1] [1] DaimlerChrysler Research and Technology, India, [2] DaimlerChrysler Research and Technology, Germany A Modelica Library for Simulation of Household Refrigeration Appliances - Features and Experiences............................................................................................................677 C. Heinrich, K. Berthold Institute for Air Conditioning and Refrigeration, Germany A New Energy Building Simulation Library........................................................................................685 J.I. Videla, B. Lie Telemark University College, Norway UnitTesting: A Library for Modelica Unit Testing ..............................................................................695 M.M. Tiller, B. Kittirungsi Emmeskay, Inc., USA Session 6d: Multidomain Systems.................................................................................................................705 If We Only had Used XML ..................................................................................................................707 U. Reisenbichler, H. Kapeller, A. Haumer, C. Kral, F. Pirker, G. Pascoli arsenal research, Austria Coupled Simulation of Building Structure and Building Services Installations with Modelica...........717 P. Matthes, T. Haase, A. Hoh, T. Tschirner, D. Müller TU Berlin, Germany MWorks: a Modern IDE for Modeling and Simulation of Multi-domain Physical Systems Based on Modelica......................................................................................................................725 F.-L. Zhou, L.-P. Chen, Y.-Z. Wu, J.-W. Ding, J.-J. Zhao, Y.-Q. Zhang Huazhong University of Science and Technology, China The Modelica Association Modelica 2006, September 4 th – 5 th xi
Page 1 and 2: 2006 Proceedings of the 5 th Intern
Page 3 and 4: Preface Preface The first Internati
Page 5 and 6: Table of Contents Volume 1 Table of
Page 7 and 8: Table of Contents Using Modelica Mo
Page 9: Table of Contents Vehicle Model for
Page 13 and 14: Index of Authors Index of Authors A
Page 15 and 16: Index of Authors Doppelhamer, J. On
Page 17 and 18: Index of Authors Hirsch, T. Simulat
Page 19 and 20: Index of Authors Matthes, P. Couple
Page 21 and 22: Index of Authors Richter, C.C. Mode
Page 23 and 24: Index of Authors Urquia, A. ARENALi
Page 25 and 26: Session 4 Poster Session Session 4
Page 27 and 28: GAPILib - A Modelica Library for Mo
Page 33 and 34: • 50 parents were used in each ge
Page 35 and 36: Abstract Ascola: A Tool for Importi
Page 37 and 38: 3.2 Mapping of Modelica Models to A
Page 39 and 40: Figure 3: Graphical user interface
Page 41 and 42: An Analyzer for Declarative Equatio
Page 43 and 44: tential variable, and make these eq
Page 45 and 46: connect(Sa.flange_b, Fa.flange_b);
Page 47 and 48: e14: Emf.v = Emf.p.v-Emf.n.v e15: 0
Page 49 and 50: Acknowledgement This work was suppo
Page 51 and 52: Engineering Design Tool Standards a
Page 53 and 54: symbols and their KKS designations
Page 55 and 56: The code letter A3 provides a subcl
Page 57 and 58: key, and display the tree in a navi
Page 59 and 60: Engineering Design Tool Standards a
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Abstract On the Noise Modelling and
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1..* Free_Noise_Model 1 Model Proce
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The uniform random generator over t
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References [1] Cellier, F.E., Conti
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Abstract Acausal Modelling of Helic
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¨ b +Cf ˙ b + D f b = Hf The matr
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unphysical algebraic loop by means
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4.2 Piloted flight Introducing a ve
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Dynamicmodelingandcontrolofa6DOFpar
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Xref Cartesian elasticity E { F�
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Original system Feedforward control
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Modelling of Alternative Propulsion
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flange_a r FSlope = m Vehicle ⋅ g
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U SoE = U max 4 Control Strategies
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Figure 8: Comparison of the vehicle
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Abstract Modelling Automotive Hydra
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All components in the library exten
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accumulator needed to be sufficient
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Vehicle Model for Transient Simulat
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Abstract Modeling,CalibrationandCon
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tio,u[kgwater/kgdrysubstance],dryba
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Inparticular,thepapertemperatureisv
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acter. Thefinalproblemconsistsof953
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u[·] p sp [kPa] 0.04 0.035 0.03 50
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System and Component Design of Dire
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• specified cooling power for min
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tion). Thinking of the system as be
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nonlinear gas spring (section 2.2).
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3.3 Motor evaluation For comparison
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Abstract Multizone Airflow Model in
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K a [−] 1.04 1.03 1.02 1.01 1 0.9
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of the density at the two reference
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Table 1: Parameters of the flow ele
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References [1] ASHRAE. Fundamentals
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Modelling of a Solar Thermal Reacto
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Figure 3: Screenshot of the overall
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and the solar radiation are enterin
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input towards the rim and the radia
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Object Oriented Modelling of DISS S
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first one is a flooded evaporator a
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Tamb Rad InletTe... InletPre... mdo
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2 1 0 1000 500 600 400 mdot_in [Kg/
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Session 5a Language, Tools and Algo
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OpenModelica Development Environmen
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Figure 1. The architecture of Eclip
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OpenModelica Development Environmen
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ever, industry analysts suggested t
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A Modelica-based Format for Flexibl
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when {h b, c < a} which yields a p
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Jacobians Jacobians can be defined
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piler is able to create code for th
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A Modelica Based Format for Flexibl
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Dymola interface to Java - A Case S
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Record[] com.dynasim.record[] The r
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low background denotes ongoing simu
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4 Conclusions A new interface betwe
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Abstract Simulation of complex syst
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The following interfaces are curren
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Cond_mair duration... Cond_... k={i
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Session 5b Thermodynamic Systems fo
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Optimization of a Cooling Circuit w
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of the impeller wheel and the shove
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Figure 5: The measured and simulate
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8 Abbreviations ICE internal combus
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Abstract Using Modelica as a Design
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work with Modelica.Media and Modeli
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The above example is instantiated i
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The cooling power of the convention
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Abstract Modeling of Frost Growth o
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energy balance then reduces to the
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[5]. µ = 1 − ea + 10 F ea (1 −
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face temperature according to the u
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[4] Sanders, C. T., Frost Formation
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Multizone Building Model for Therma
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uncertainty in modeling assumption
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Table 1: Latent heat gains from occ
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is accurate enough for many room co
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Figure 2: View of room model in Dym
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Session 5c Free and Commercial Libr
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Abstract The LinearSystems library
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The data part of the record contain
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ing and Bessel filters, the step re
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the same discrete states (provided
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y� = x� x� =−b⋅ x+ u Ther
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ARENALib: A Modelica Library for Di
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a) b) c) d) e) f) Figure 1: ARENALi
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7 Data Modules Data modules represe
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a) b) Figure 2: Drilling center mod
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a) b) ARENALib: A Modelica Library
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Abstract Neural Network Library in
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Theorem 1 (Universal Approximator[4
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Figure 5: Library structure 3.1 Bas
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where x and y are the inputs of the
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previously identified through a spe
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Abstract The Modelica Multi-bond Gr
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solution for his or her task. Model
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The mass itself is represented by t
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where the variables of the rotation
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Table 3: Comparison of the two mech
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Session 5d Electric Systems and App
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The SmartElectricDrives Library - P
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cascaded structure deploying many e
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4.1 Simulations with ’ready-to-us
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The SmartElectricDrives Library - P
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Abstract Quasi-stationary AC Analys
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vt () = vˆ sin( ωt + ϕv) and rep
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containing real and imaginary part
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T n . (22) Slip s and torque T are
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changeover). Now, the phasor-domain
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Identi cation and Controls of Elect
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ules for setting the control parame
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warm excitation resistance = 2:5 W
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Figure 7: Observation of the interm
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Session 6a Language, Tools and Algo
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Dynamic Optimization of Energy Supp
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x = u x u u 0 1 I ( x) → min equa
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Fig. 9: Optimal loading courses 2.
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Fig. 16: Storage temperature course
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Abstract Robust Initialization of D
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situation is reached when all the c
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1. Use Pantelides algorithm to dete
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Figure 3. Voltage source. In order
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��
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� ��
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��
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Abstract Automatic Fixed-point Code
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that sum up to the total word lengt
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In order to use fixed-point arithme
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Figure 5: Plot of reference speed a
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Session 6b Thermodynamic Systems an
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The Modelica Fluid and Media Librar
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Abstract Shock Wave Modeling for Mo
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limiter, simply a bounded function
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Using Roe’s averages and the diff
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Figure 9: Difference between single
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6 Conclusions and Future Work We ha
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Abstract Modeling of an Experimenta
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filled with a single or multiple-su
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A third solution variant would be t
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For the model of the batch plant th
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V1.open = controller.sensors.V1; an
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Integral Analysis for Thermo-Fluid
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where dU dt () t − q () t = q (5)
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3.2 Planar Wall with Convection Fig
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geometries. This approach allows th
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Session 6c Free and Commercial Libr
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Integration of CATIA with Modelica
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2. The CAD model of the components
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6 Conclusion We have presented an i
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A Modelica Library for Simulation o
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Saturation solubility m Ref / m Lub
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evaporator temperature sensor air v
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el. power consumption in [W] satura
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Abstract A New Energy Building Simu
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surroundings, such as outdoor air,
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tsol , tstd + L std L loc 15 =h w =
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Half exterior wall 1 West Half exte
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Incident Solar Radiation west, clou
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Abstract UnitTesting: A Library for
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unique name in the instance hierarc
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sion coverage, we simply divide the
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So far, we have only considered str
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from the report into the test case
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Session 6d Multidomain Systems Sess
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Abstract If we only had used XML...
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models, i.e. the Simple API for XML
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2.3.5 Retrieving data Figure 3: mat
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3.2 Dymola Following the object ori
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Figure 13: Motor speci cation Figur
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Coupled Simulation of Building Stru
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“match box” shaped room. In the
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Thermal effects can be described us
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The power control included in the h
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MWorks: a Modern IDE for Modeling a
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C.n.v = AC.n.v; G.p.v = AC.n.v; L.n
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Domain Library Preprocessing in MWo
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