Update childrenType for better display

src/index.ts

@@ -67,3 +67,4 @@ export * from "./spp";
 export * from "./spp_params";
 export * from "./yaxn";
 export * from "./yaxn_params";
+export * from "./child_nub";
\ No newline at end of file

src/spp.ts

@@ -21,7 +21,7 @@ export class SPP extends Nub {
         super(prms, dbg);
         this._calcType = CalculatorType.SPP;
         this._defaultCalculatedParam = prms.Y;
-        this._childrenType = "YAXN";
+        this._childrenType = "Puissance";
         this.resetDefaultCalculatedParam();
         this.properties.setPropValue("sppOperation", SPPOperation.SUM);
     }

src/structure/parallel_structure.ts

@@ -18,7 +18,7 @@ export class ParallelStructure extends Nub {
     constructor(prms: ParamsEquation, dbg: boolean = false) {
         super(prms, dbg);
         this._calcType = CalculatorType.ParallelStructure;
-        this._childrenType = "Structure";
+        this._childrenType = "Ouvrage";
     }
 
     /** children casting */