using System.Text;
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namespace Yw.EPAnet
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{
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/// <summary>
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/// 管网计算拓展
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/// </summary>
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public static class NetworkCalcuExtensions
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{
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/// <summary>
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/// 计算
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/// </summary>
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public static CalcuResult Calcu(this Network network,bool MinorLossPreCalc=true)
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{
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var result = new CalcuResult();
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//Null验证
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if (network == null)
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{
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result.Succeed = false;
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return result;
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}
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string inpString = null;
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if (MinorLossPreCalc)
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{
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CalcuResult minorLossResult = network.CalcuMinorLoss();
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if (!minorLossResult.Succeed)
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{
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result.Succeed = false;
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result.FailedList.AddRange(minorLossResult.FailedList);
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return result;
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}
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inpString = network.ToInpString(minorLossResult);
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}
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else
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{
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inpString = network.ToInpString();
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}
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//获取系统临时文件目录，创建inp临时文件
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var inpFilePath = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString("N") + ".inp");
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File.WriteAllText(inpFilePath, inpString);
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//加载管网
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var epanet = new HydraulicCore(true);
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var errOpen = epanet.open(inpFilePath, "", "");
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if (errOpen != 0)
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{
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string txt = epanet.geterrormsg();
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result.Succeed = false;
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result.FailedList.Add(new CalcuFailed()
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{
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Code = errOpen,
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Message = $"{txt}"
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});
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return result;
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}
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//水力计算
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var errCalcu = epanet.solveH();
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if (errCalcu != 0)
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{
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string txt = epanet.geterrormsg();
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result.Succeed = false;
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result.FailedList.Add(new CalcuFailed()
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{
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Code = errCalcu,
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Message = $"{txt}"
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});
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return result;
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}
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int nodeCount = 0;
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int linkCount = 0;
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epanet.getcount((int)eCountType.Node, ref nodeCount);
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epanet.getcount((int)eCountType.Link, ref linkCount);
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const int MAXID = 31;
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var sb = new StringBuilder(MAXID);
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for (int i = 1; i <= nodeCount; i++)
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{
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epanet.getnodeid(i, sb);
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var arr = new string[] { "Head", "Press", "Demand" }; //System.Enum.GetValues(typeof(HydraulicModel.NodeValueType));
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var arrnum = new int[] { 10, 11, 9 };
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var resultNode = new Node()
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{
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Id = sb.ToString(),
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};
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for (var j = 0; j < arr.Length; j++)
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{
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float v = 0;
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//var t = (EPAcore.Core.NodeValueType)j;
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epanet.getnodevalue(i, arrnum[j], ref v);
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switch (arr[j])
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{
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case "Head":
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resultNode.Head = v;
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break;
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case "Press":
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resultNode.Press = v;
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break;
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case "Demand":
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resultNode.Demand = v;
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break;
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}
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}
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result.NodeList.Add(resultNode);
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result.NodeDict.Add(resultNode.Id, resultNode);
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}
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for (int i = 1; i <= linkCount; i++)
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{
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epanet.getlinkid(i, sb);
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//var arr = System.Enum.GetValues(typeof(HydraulicModel.LinkValueType));
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var arr = new string[] { "Flow", "Velocity", "Headloss" }; //System.Enum.GetValues(typeof(HydraulicModel.NodeValueType));
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var arrnum = new int[] { 8, 9, 10 };
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var resultLink = new Link()
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{
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Id = sb.ToString(),
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};
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for (var j = 0; j < arr.Length; j++)
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{
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float v = 0;
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//var t = (EPAcore.Core.NodeValueType)j;
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epanet.getlinkvalue(i, arrnum[j], ref v);
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switch (arr[j])
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{
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case "Flow":
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resultLink.Flow = v;
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break;
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case "Velocity":
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resultLink.Velocity = v;
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break;
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case "Headloss":
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resultLink.Headloss = v;
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break;
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}
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}
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result.LinkList.Add(resultLink);
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result.LinkDict.Add(resultLink.Id, resultLink);
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}
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return result;
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}
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}
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}
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