feapmattruss.java

平面三角形有限元程序

/*
 * FeapMatTruss.java
 *
 * Created on 25. Oktober 2002, 17:56
 */

/**
 *
 * @author  Christian Uhde 
 */
import javax.swing.*;
import javax.swing.event.*;
import java.awt.*;


public class FeapMatTruss extends JPanel implements FeapMaterial {
    
    JTextField elasticModulus;
    JTextField crossSection;
    
    /** Creates a new instance of FeapMatTruss */
    public FeapMatTruss() {
        setLayout(new GridBagLayout());
        
        GridBagConstraints gbc = new GridBagConstraints();
        gbc.gridx = 0;
        gbc.gridy = 0;
        add(new JLabel("   Elastic modulus"), gbc);
        gbc.gridx = 1;
        elasticModulus = new JTextField("");
        elasticModulus.setMinimumSize(new Dimension(64, 16));
        elasticModulus.setPreferredSize(new Dimension(64, 16));
        add(elasticModulus, gbc);
        gbc.gridx = 2;
        add(new JLabel("   Cross section"), gbc);
        gbc.gridx = 3;
        crossSection = new JTextField("");
        crossSection.setMinimumSize(new Dimension(64, 16));
        crossSection.setPreferredSize(new Dimension(64, 16));
        add(crossSection, gbc);
       
    }
    
    /** Writes the material depending part to a Feap inputfile */
    public String writeFeapFile() {
        String output = "TRUSS\n";
        output += "ELAStic modulus " + elasticModulus.getText() + "\nCROSs section " + crossSection.getText() + "\n\n";
        return(output);
    }
}