{"id":1580,"date":"2024-12-12T15:18:33","date_gmt":"2024-12-12T15:18:33","guid":{"rendered":"https:\/\/www.kmkengineers.com\/?p=1580"},"modified":"2025-09-26T12:20:28","modified_gmt":"2025-09-26T11:20:28","slug":"%d8%aa%d8%ad%d9%84%d9%8a%d9%84-%d8%af%d9%8a%d9%86%d8%a7%d9%85%d9%8a%d9%83%d9%8a%d8%a9-%d8%a7%d9%84%d9%82%d8%b7%d8%a7%d8%b1","status":"publish","type":"post","link":"https:\/\/www.kmkengineers.com\/ar\/2024\/12\/12\/train-dynamic-analysis\/","title":{"rendered":"\u062a\u062d\u0644\u064a\u0644 \u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a\u0627\u062a \u0627\u0644\u0642\u0637\u0627\u0631"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-sizes-top:0;--awb-border-sizes-bottom:0;--awb-border-sizes-left:0;--awb-border-sizes-right:0;--awb-border-color:var(--awb-custom14);--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:0px;--awb-padding-right:0px;--awb-padding-bottom:0px;--awb-padding-left:0px;--awb-margin-top:0px;--awb-margin-bottom:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1216.8px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-blend:overlay;--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><h2 class=\"fusion-responsive-typography-calculated\" style=\"--fontsize: 48; line-height: 1.25;\" data-fontsize=\"48\" data-lineheight=\"60px\">Train Dynamic Analysis<\/h2>\n<h4 class=\"fusion-responsive-typography-calculated\" style=\"--fontsize: 18; line-height: 2.11; --minfontsize: 18;\" data-fontsize=\"18\" data-lineheight=\"37.98px\">Investigation into excessive wagon noise<\/h4>\n<p>For this case study KMK used KSIM, in-house developed, <span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/www.kmkengineers.com\/2020\/08\/04\/train-simulation\/\"><u>Train Dynamic Simulation<\/u><\/a><\/span> software, to calculate the dynamics of a noisy train.<\/p>\n<p>This site was installed without predicting the wagon forces, resulting in issues for both client and the residents nearby.<\/p>\n<h4 class=\"fusion-responsive-typography-calculated\" style=\"--fontsize: 18; line-height: 2.11; --minfontsize: 18;\" data-fontsize=\"18\" data-lineheight=\"37.98px\">Problems identified:<\/h4>\n<ul>\n<li><span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/en.wikipedia.org\/wiki\/Train_noise\"><strong><u>Noise pollution<\/u><\/strong><\/a> <\/span>\u2013 Train couplers collide when rebounding<\/li>\n<li><strong>Damage to wagons<\/strong> \u2013 Excessive rebound forces leading to wagon\/car damage<\/li>\n<\/ul>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none\"><img decoding=\"async\" width=\"1024\" height=\"814\" alt=\"Train Dynamic Analysis, KSIM, KMK, Wagon, Railcar, Dynamic, Analysis, Car, Train, Simtrain, Train Simulation, Simulation, BULK MATERIALS HANDLING, BULK HANDLING, MATERIALS HANDLING\" title=\"Train Dynamics UnDamped\" src=\"https:\/\/www.kmkengineers.com\/wp-content\/uploads\/2024\/11\/Train-Dynamics-UnDamped-1024x814.png\" class=\"img-responsive wp-image-1582\" srcset=\"https:\/\/www.kmkengineers.com\/wp-content\/uploads\/2024\/11\/Train-Dynamics-UnDamped-200x159.png 200w, https:\/\/www.kmkengineers.com\/wp-content\/uploads\/2024\/11\/Train-Dynamics-UnDamped-400x318.png 400w, https:\/\/www.kmkengineers.com\/wp-content\/uploads\/2024\/11\/Train-Dynamics-UnDamped-600x477.png 600w, https:\/\/www.kmkengineers.com\/wp-content\/uploads\/2024\/11\/Train-Dynamics-UnDamped-800x636.png 800w, https:\/\/www.kmkengineers.com\/wp-content\/uploads\/2024\/11\/Train-Dynamics-UnDamped-1200x954.png 1200w, https:\/\/www.kmkengineers.com\/wp-content\/uploads\/2024\/11\/Train-Dynamics-UnDamped.png 1411w\" sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 600px\" \/><\/span><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_2 1_2 fusion-flex-column fusion-flex-align-self-stretch\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-center fusion-content-layout-column\"><div class=\"fusion-text fusion-text-2\"><p>The force and other dynamics of EACH COUPLER are shown here.\u00a0 You can see the velocity of the wagons.\u00a0 The deep blue colour next to the bright red colour shows the \u2018whip\u2019 effect.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-3\"><h4>Solutions proposed<\/h4>\n<ul>\n<li><strong>Damping<\/strong> \u2013 Adding a brake car to reduce the rebound<\/li>\n<\/ul>\n<p><em>Fantastic, but how much brake force should we add without adverse effects?<\/em><\/p>\n<p>KSIM can quickly test many options without the need for trial and error, recommending the level of braking for this particular train.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-2 hover-type-none\"><img decoding=\"async\" width=\"995\" height=\"698\" alt=\"Train Dynamic Analysis, KSIM, KMK, Wagon, Railcar, Dynamic, Analysis, Car, Train, Simtrain, Train Simulation, Simulation, BULK MATERIALS HANDLING, BULK HANDLING, MATERIALS HANDLING\" title=\"Train Dynamics Damped\" src=\"https:\/\/www.kmkengineers.com\/wp-content\/uploads\/2024\/11\/Train-Dynamics-Damped.png\" class=\"img-responsive wp-image-1583\" srcset=\"https:\/\/www.kmkengineers.com\/wp-content\/uploads\/2024\/11\/Train-Dynamics-Damped-200x140.png 200w, https:\/\/www.kmkengineers.com\/wp-content\/uploads\/2024\/11\/Train-Dynamics-Damped-400x281.png 400w, https:\/\/www.kmkengineers.com\/wp-content\/uploads\/2024\/11\/Train-Dynamics-Damped-600x421.png 600w, https:\/\/www.kmkengineers.com\/wp-content\/uploads\/2024\/11\/Train-Dynamics-Damped-800x561.png 800w, https:\/\/www.kmkengineers.com\/wp-content\/uploads\/2024\/11\/Train-Dynamics-Damped.png 995w\" sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 600px\" \/><\/span><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-5 fusion_builder_column_1_2 1_2 fusion-flex-column fusion-flex-align-self-stretch\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-center fusion-content-layout-column\"><div class=\"fusion-text fusion-text-4\"><p>From this image you can visually see the reduction in \u2018whip\u2019 effect achieved.\u00a0 The train slows down as one unit, and without any rebound.\u00a0 This eliminates wagon noise from the energetic rebound shown above.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-6 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-video fusion-selfhosted-video\" style=\"align-self:center;max-width:720px;\"><div class=\"video-wrapper\" style=\"box-shadow:5px 5px 5px 0px ;;\"><video playsinline=\"true\" width=\"100%\" style=\"object-fit: cover;\" autoplay=\"true\" muted=\"true\" loop=\"true\" poster=\"https:\/\/www.kmkengineers.com\/wp-content\/uploads\/2024\/10\/Picture52.jpg\" preload=\"auto\" controls=\"1\"><source src=\"https:\/\/www.kmkengineers.com\/wp-content\/uploads\/2024\/12\/Train-Dynamics-2.mp4\" type=\"video\/mp4\">Sorry, your browser doesn&#039;t support embedded videos.<\/video><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1216.8px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-7 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-position:center center;--awb-bg-blend:luminosity;--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-5\" style=\"--awb-line-height:2;--awb-margin-top:20px;\"><h3 class=\"\" style=\"--fontsize: 39; line-height: 1.3;\" data-fontsize=\"39\" data-lineheight=\"50.7px\">Benefits of KMK Train Dynamic Analysis &amp; Simulation<\/h3>\n<ul>\n<li>Size your equipment e.g. Drive units<\/li>\n<li><span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/www.kmkengineers.com\/2024\/11\/26\/site-consulting-and-optimisation\/\"><u>Create or improve Plant Timecycle<\/u><\/a><\/span><\/li>\n<li>Predict the forces for your <span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/www.kmkengineers.com\/wagon-unloading-systems\/\"><u>Train Mover Systems<\/u><\/a><\/span><\/li>\n<li>Predict the forces for your <span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/www.kmkengineers.com\/2024\/11\/14\/wheel-gripper\/\"><u>Train Holding Devices<\/u><\/a><\/span><\/li>\n<li>Predict the noise and ripple effect in your train<\/li>\n<li>Prevent expensive wagon damage and fatigue<\/li>\n<li>Prevent down-time from broken or damaged wagons<\/li>\n<li>Protect equipment from damage by handling broken wagons<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-3 fusion-flex-container has-pattern-background has-mask-background 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