using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Text;
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using System.Text.Json.Nodes;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace DPumpHydr.WinFrmUI.Volute.ViewModel
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{
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/// <summary>
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/// 单个端面参数
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/// </summary>
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public class SectionShapePara
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{
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/// <summary>
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///
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/// </summary>
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public int Index { get; set; }//断面序号 第8断面就是8 第一断面就是1
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public double Gama_Left { get; set; }//角度1
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public double Gama_Right { get; set; }//角度2
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public double H { get; set; }//高度
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public double R_out { get; set; }//外围的半径 UG中R4
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public double R_Left { get; set; }//角度1边对应的圆角半径 UG中R1
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public double R_Right { get; set; }//角度2边对应的圆角半径 UG中R2
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public double SectionArea { get; set; }//面积:由occ计算
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public double BaseWidth { get; set; }//底部宽度 就是B3
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public double BaseCircleRadius { get; set; }//底部圆半径 就是D3/2
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public eSectionShapeType ShapeType { get; set; }
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/// <summary>
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/// 根据面积计算高度
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/// </summary>
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public double CalcHeightByArea(eSectionShapeType SectionType)
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{
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double a = (Math.Tan(Gama_Left * Math.PI / 180) + Math.Tan(Gama_Right * Math.PI / 180)) / 2;
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double b = BaseWidth;
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double c = (90 + Gama_Right) / 360 * Math.PI * R_Left * R_Left + (90 + Gama_Left) / 360 * Math.PI * R_Right * R_Right
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- R_Left * R_Left * Math.Tan((45 + Gama_Right / 2) * Math.PI / 180) - R_Right * R_Right * Math.Tan((45 + Gama_Left / 2) * Math.PI / 180) - SectionArea;
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double delta = b * b - 4 * a * c;
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if (delta < 0) return -1;
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if (SectionType == eSectionShapeType.矩形)//矩形
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{
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return -c / b;
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}
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else
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{
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if (delta < 0) return -1;
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return (-b + Math.Sqrt(delta)) / (2 * a);
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}
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}
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/// <summary>
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/// 验证是否合理
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/// </summary>
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/// <param name="sectionShapePara"></param>
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/// <param name="index"></param>、
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//public bool Verify(out string error)
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//{
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// error = "";
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// bool isverify = true;
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// if ((this.H - this.R_Left) * Math.Tan(this.Gama_Left)+(this.H - this.R_Right) * Math.Tan(this.R_Right)+this.BaseWidth >= this.R_Right + this.R_Left)
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// {
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// error = "输入的直径非法！";
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// isverify = false;
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// }
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// if(this.Gama_Left > 45 || this.Gama_Right > 45)
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// {
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// error = "输入的角度非法！";
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// isverify = false;
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// }
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// return isverify;
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//}
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}
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}
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