Fix #192 - add warning on LechaptCalmon speed

spec/pipe_flow/lechaptcalmon.spec.ts

@@ -2,6 +2,7 @@ import { ParamCalculability } from "../../src/param/param-definition";
 import { LechaptCalmon } from "../../src/pipe_flow/lechaptcalmon";
 import { LechaptCalmonParams } from "../../src/pipe_flow/lechaptcalmon_params";
 import { SessionSettings } from "../../src/session_settings";
+import { MessageCode } from "../../src/util/message";
 
 function getLechapt(): LechaptCalmon {
     const l =  new LechaptCalmon(
@@ -48,4 +49,19 @@ describe("Class LechaptCalmon : ", () => {
             });
         }
     }
+
+    describe("warning on speed value -", () => {
+
+        it("case 1: there should not be any warning", () => {
+            const res = lechapt.CalcSerie();
+            expect(res.log.messages.length).toBe(0);
+        });
+
+        it("case 2: there should be a warning", () => {
+            lechapt.prms.Q.singleValue = 0.7;
+            const res = lechapt.CalcSerie();
+            expect(res.log.messages.length).toBe(1);
+            expect(res.log.messages[0].code).toBe(MessageCode.WARNING_LECHAPT_CALMON_SPEED_OUTSIDE_04_2);
+        });
+    });
 });

src/pipe_flow/lechaptcalmon.ts

@@ -2,6 +2,7 @@ import { CalculatorType } from "../compute-node";
 import { LCMaterial } from "../lc-material";
 import { Nub } from "../nub";
 import { ParamCalculability } from "../param/param-definition";
+import { Message, MessageCode } from "../util/message";
 import { Observer } from "../util/observer";
 import { Result } from "../util/result";
 import { LechaptCalmonParams } from "./lechaptcalmon_params";
@@ -103,6 +104,9 @@ export class LechaptCalmon extends Nub implements Observer {
         const r: Result = new Result(0, this);
 
         r.values.V = this.prms.Q.v / (Math.PI * Math.pow(this.prms.D.v / 2, 2));
+        if (r.values.V < 0.4 || r.values.V > 2) {
+            r.resultElement.log.add(new Message(MessageCode.WARNING_LECHAPT_CALMON_SPEED_OUTSIDE_04_2));
+        }
         r.values.Jl = this.prms.L.v * Math.pow(this.prms.Q.v, this.prms.M.v)
         / Math.pow(this.prms.D.v, this.prms.N.v) * (this.prms.Lg.v / 1000);
 

src/util/message.ts

@@ -328,6 +328,11 @@ export enum MessageCode {
      */
     WARNING_DOWNSTREAM_ELEVATION_POSSIBLE_SUBMERSION,
 
+    /**
+     * Lechapt-Calmon : la vitesse est en dehors de l'intervalle [0.4, 2]
+     */
+    WARNING_LECHAPT_CALMON_SPEED_OUTSIDE_04_2,
+
     /**
      * La cote de l'eau aval est plus élevée que la cote du centre de l'orifice (ennoiement possible)
      */