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+ erste noch ungeprüfte Variante der micromechanischen Gleichungen de…
…s HSB 37102-02 implementiert Task #12 - mikromechanischen Formeln aus dem Handbuch Strukturberechnung (HSB)
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Andreas Hauffe
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Nov 18, 2023
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...croMechanicModels/src/de/elamx/micromechanics/addmicromechanicmodels/Bundle_de.properties
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| @@ -1 +1,7 @@ | ||
| OpenIDE-Module-Name=Zus\u00e4tzliche mikromechanische Modelle | ||
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| HSB3710202.rhoHTMLDescription=<html>siehe HSB 37102-02</html> | ||
| HSB3710202.e11HTMLDescription=<html>siehe HSB 37102-02</html> | ||
| HSB3710202.e22HTMLDescription=<html>siehe HSB 37102-02</html> | ||
| HSB3710202.nue12HTMLDescription=<html>siehe HSB 37102-02</html> | ||
| HSB3710202.g12HTMLDescription=<html>siehe HSB 37102-02</html> |
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...nalMicroMechanicModels/src/de/elamx/micromechanics/addmicromechanicmodels/HSB3710202.java
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| /* | ||
| * This program developed in Java is based on the netbeans platform and is used | ||
| * to design and to analyse composite structures by means of analytical and | ||
| * numerical methods. | ||
| * | ||
| * Further information can be found here: | ||
| * http://www.elamx.de | ||
| * | ||
| * Copyright (C) 2021 Technische Universität Dresden - Andreas Hauffe | ||
| * | ||
| * This file is part of eLamX². | ||
| * | ||
| * eLamX² is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * eLamX² is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with eLamX². If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| package de.elamx.micromechanics.addmicromechanicmodels; | ||
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| import de.elamx.micromechanics.Fiber; | ||
| import de.elamx.micromechanics.Matrix; | ||
| import de.elamx.micromechanics.models.MicroMechModel; | ||
| import org.openide.filesystems.FileObject; | ||
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| /** | ||
| * | ||
| * Diese micromechanische Modell stammt aus dem Handbuch für Strukturberechnung | ||
| * (HSB) Arbeitsplatz 37102-2, wobei darin auf die Quelle | ||
| * R. M. Jones: Mechanics of Composite Materials, Scripta Book Company, | ||
| * Washington, D.C. 1975 verwiesen wird. | ||
| * | ||
| * @author Andreas Hauffe | ||
| */ | ||
| public class HSB3710202 extends MicroMechModel{ | ||
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| public static HSB3710202 getDefault(FileObject obj) { | ||
| return new HSB3710202(obj); | ||
| } | ||
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| public HSB3710202(FileObject obj) { | ||
| super(obj); | ||
| } | ||
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| @Override | ||
| public double getE11(Fiber fiber, Matrix matrix, double phi) { | ||
| return fiber.getEpar() * phi + matrix.getEpar() * (1.0-phi); | ||
| } | ||
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| @Override | ||
| public double getE22(Fiber fiber, Matrix matrix, double phi) { | ||
| double val1 = (1.0 - 2.0 * Math.sqrt(phi/Math.PI)); | ||
| double val2 = Math.PI / (2.0 * (1.0 - matrix.getEnor()/fiber.getEnor())); | ||
| double val3 = 2.0 / ((1.0 - matrix.getEnor()/fiber.getEnor()) * Math.sqrt(1.0 - 4.0 * phi / Math.PI * (1.0 - matrix.getEnor()/fiber.getEnor()) * (1.0 - matrix.getEnor()/fiber.getEnor()))); | ||
| double val4 = Math.atan(Math.sqrt( | ||
| (1.0 + 2.0 * Math.sqrt(phi / Math.PI) * (1.0 - matrix.getEnor()/fiber.getEnor())) / | ||
| (1.0 - 2.0 * Math.sqrt(phi / Math.PI) * (1.0 - matrix.getEnor()/fiber.getEnor())))); | ||
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| return matrix.getEnor() * (val1 - val2 + val3 * val4); | ||
| } | ||
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| @Override | ||
| public double getNue12(Fiber fiber, Matrix matrix, double phi) { | ||
| return fiber.getNue12()*phi + matrix.getNue12()*(1-phi); | ||
| } | ||
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| @Override | ||
| public double getG12(Fiber fiber, Matrix matrix, double phi) { | ||
| double val1 = (1.0 - 2.0 * Math.sqrt(phi/Math.PI)); | ||
| double val2 = Math.PI / (2.0 * (1.0 - matrix.getG()/fiber.getG())); | ||
| double val3 = 2.0 / ((1.0 - matrix.getG()/fiber.getG()) * Math.sqrt(1.0 - 4.0 * phi / Math.PI * (1.0 - matrix.getG()/fiber.getG()) * (1.0 - matrix.getG()/fiber.getG()))); | ||
| double val4 = Math.atan(Math.sqrt( | ||
| (1.0 + 2.0 * Math.sqrt(phi / Math.PI) * (1.0 - matrix.getG()/fiber.getG())) / | ||
| (1.0 - 2.0 * Math.sqrt(phi / Math.PI) * (1.0 - matrix.getG()/fiber.getG())))); | ||
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| return matrix.getG() * (val1 - val2 + val3 * val4); | ||
| } | ||
| } |
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