diff --git a/app/src/components/WindFlowGrid2D.tsx b/app/src/components/WindFlowGrid2D.tsx
index ea578b2..d8699c7 100644
--- a/app/src/components/WindFlowGrid2D.tsx
+++ b/app/src/components/WindFlowGrid2D.tsx
@@ -704,19 +704,24 @@ export function WindFlowGrid2D({ type }: WindFlowGrid2DProps) {
                 <svg viewBox="0 0 300 150" className="w-full h-full">
                   {styleBlock}
                   <line x1="0" y1="130" x2="300" y2="130" stroke="#475569" strokeWidth="2" />
+                  
+                  {/* Linhas de vento batendo no pórtico */}
                   <path d="M -20,30 L 320,30" className="wind-line-slow" />
                   <path d="M -20,60 C 100,60 120,40 150,40 C 180,40 200,60 320,60" className="wind-line" />
                   <path d="M -20,100 C 100,100 120,70 150,70 C 180,70 200,100 320,100" className="wind-line-fast" />
                   
-                  {/* Esteira turbulenta no sotavento */}
+                  {/* Esteira turbulenta no sotavento do pórtico 1 */}
                   <circle cx="180" cy="85" r="12" fill="none" stroke="#ef4444" strokeWidth="1.2" strokeDasharray="2 4" className="vortex-spin-cw" />
                   <path d="M 160,110 Q 210,85 320,120" className="vortex-line" />
 
-                  {/* Pórtico Pipe-rack */}
-                  <rect x="145" y="40" width="10" height="90" fill="#475569" stroke="#64748b" strokeWidth="1.5" />
-                  <rect x="135" y="50" width="30" height="8" fill="#475569" stroke="#64748b" strokeWidth="1.5" />
-                  <circle cx="150" cy="45" r="12" fill="#3b82f6" stroke="#2563eb" strokeWidth="1.5" /> {/* Tubo */}
-                  <circle cx="150" cy="75" r="8" fill="#f59e0b" stroke="#d97706" strokeWidth="1.5" /> {/* Tubo */}
+                  {/* Pórtico Frontal (1 Coluna com tubos encostados/apoiados) */}
+                  <rect x="146" y="40" width="8" height="90" fill="#475569" stroke="#64748b" strokeWidth="1.5" /> {/* Pilar */}
+                  {/* Suportes/Mãos francesas para os tubos */}
+                  <line x1="135" y1="55" x2="146" y2="55" stroke="#64748b" strokeWidth="3" />
+                  <line x1="135" y1="85" x2="146" y2="85" stroke="#64748b" strokeWidth="3" />
+                  {/* Tubos */}
+                  <circle cx="140" cy="45" r="10" fill="#3b82f6" stroke="#2563eb" strokeWidth="1.5" /> 
+                  <circle cx="140" cy="77" r="8" fill="#f59e0b" stroke="#d97706" strokeWidth="1.5" /> 
                 </svg>
               </div>
               <p className="text-[10px] text-muted-foreground leading-snug">Vento limpo atinge o pórtico frontal e suas tubulações com 100% da velocidade. Arrasto máximo (Ca Frontal).</p>
@@ -729,34 +734,34 @@ export function WindFlowGrid2D({ type }: WindFlowGrid2DProps) {
                 <svg viewBox="0 0 300 150" className="w-full h-full">
                   {styleBlock}
                   <line x1="0" y1="130" x2="300" y2="130" stroke="#475569" strokeWidth="2" />
-                  <path d="M -20,30 L 320,30" className="wind-line-slow" />
-                  <path d="M -20,60 C 80,60 100,30 150,30 C 200,30 220,60 320,60" className="wind-line" />
                   
-                  {/* Esteira turbulenta cobrindo pórticos traseiros */}
+                  <path d="M -20,30 L 320,30" className="wind-line-slow" />
+                  <path d="M -20,50 C 70,50 90,35 120,35 C 160,35 180,50 320,50" className="wind-line" />
+                  
+                  {/* Esteira turbulenta invadindo os pórticos traseiros */}
                   <path d="M 120,100 Q 170,60 220,100 T 320,100" className="vortex-line" />
                   <path d="M 130,80 Q 180,50 230,80 T 320,80" className="vortex-line" />
-                  <circle cx="150" cy="90" r="15" fill="none" stroke="#ef4444" strokeWidth="1.2" strokeDasharray="2 4" className="vortex-spin-cw" />
-                  <circle cx="210" cy="85" r="15" fill="none" stroke="#ef4444" strokeWidth="1.2" strokeDasharray="2 4" className="vortex-spin-ccw" />
+                  <circle cx="140" cy="95" r="12" fill="none" stroke="#ef4444" strokeWidth="1.2" strokeDasharray="2 4" className="vortex-spin-cw" />
+                  <circle cx="190" cy="85" r="14" fill="none" stroke="#ef4444" strokeWidth="1.2" strokeDasharray="2 4" className="vortex-spin-ccw" />
 
-                  {/* Pórticos Múltiplos */}
-                  {/* Pórtico 1 */}
-                  <g transform="translate(80, 0)">
-                    <rect x="0" y="40" width="10" height="90" fill="#475569" stroke="#64748b" strokeWidth="1.5" />
-                    <rect x="-10" y="50" width="30" height="8" fill="#475569" stroke="#64748b" strokeWidth="1.5" />
-                    <circle cx="5" cy="45" r="12" fill="#3b82f6" stroke="#2563eb" strokeWidth="1.5" />
-                  </g>
-                  {/* Pórtico 2 */}
-                  <g transform="translate(140, 0)">
-                    <rect x="0" y="40" width="10" height="90" fill="#64748b" stroke="#94a3b8" strokeWidth="1.5" opacity="0.8" />
-                    <rect x="-10" y="50" width="30" height="8" fill="#64748b" stroke="#94a3b8" strokeWidth="1.5" opacity="0.8" />
-                    <circle cx="5" cy="45" r="12" fill="#3b82f6" stroke="#2563eb" strokeWidth="1.5" opacity="0.8" />
-                  </g>
-                  {/* Pórtico 3 */}
-                  <g transform="translate(200, 0)">
-                    <rect x="0" y="40" width="10" height="90" fill="#94a3b8" stroke="#cbd5e1" strokeWidth="1.5" opacity="0.6" />
-                    <rect x="-10" y="50" width="30" height="8" fill="#94a3b8" stroke="#cbd5e1" strokeWidth="1.5" opacity="0.6" />
-                    <circle cx="5" cy="45" r="12" fill="#3b82f6" stroke="#2563eb" strokeWidth="1.5" opacity="0.6" />
-                  </g>
+                  {/* Pórticos Múltiplos interligados */}
+                  {/* Travamentos longitudinais (Vigas) */}
+                  <line x1="100" y1="60" x2="228" y2="60" stroke="#94a3b8" strokeWidth="4" />
+                  <line x1="100" y1="90" x2="228" y2="90" stroke="#94a3b8" strokeWidth="4" />
+
+                  {/* Tubulações apoiadas nos travamentos */}
+                  <circle cx="130" cy="50" r="10" fill="#3b82f6" stroke="#2563eb" strokeWidth="1.5" /> 
+                  <circle cx="160" cy="50" r="10" fill="#3b82f6" stroke="#2563eb" strokeWidth="1.5" /> 
+                  <circle cx="190" cy="50" r="10" fill="#3b82f6" stroke="#2563eb" strokeWidth="1.5" /> 
+
+                  <circle cx="145" cy="82" r="8" fill="#f59e0b" stroke="#d97706" strokeWidth="1.5" /> 
+                  <circle cx="175" cy="82" r="8" fill="#f59e0b" stroke="#d97706" strokeWidth="1.5" /> 
+                  <circle cx="205" cy="82" r="8" fill="#f59e0b" stroke="#d97706" strokeWidth="1.5" /> 
+
+                  {/* Colunas Verticais */}
+                  <rect x="96" y="40" width="8" height="90" fill="#475569" stroke="#64748b" strokeWidth="1.5" />
+                  <rect x="156" y="40" width="8" height="90" fill="#64748b" stroke="#94a3b8" strokeWidth="1.5" opacity="0.9" />
+                  <rect x="216" y="40" width="8" height="90" fill="#94a3b8" stroke="#cbd5e1" strokeWidth="1.5" opacity="0.8" />
                 </svg>
               </div>
               <p className="text-[10px] text-muted-foreground leading-snug">Pórticos sucessivos ficam imersos na esteira turbulenta do primeiro (Fator de proteção η). A carga neles é drasticamente atenuada.</p>