{"id":69954,"date":"2025-11-06T11:29:37","date_gmt":"2025-11-06T16:29:37","guid":{"rendered":"https:\/\/blogs.sw.siemens.com\/simcenter\/?p=69954"},"modified":"2026-03-26T06:52:05","modified_gmt":"2026-03-26T10:52:05","slug":"dinosaurs-and-the-galton-board","status":"publish","type":"post","link":"https:\/\/blogs.sw.siemens.com\/simcenter\/dinosaurs-and-the-galton-board\/","title":{"rendered":"Dinosaurs and the Galton Board: A tale of chaos, order and evolution"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">From fossils to probabilities: Decoding the Galton Board<\/h2>\n\n\n\n<p>While dinosaurs are well-known creatures from the past, the Galton Board may seem unfamiliar to many. This fascinating apparatus consists of a vertical board with interleaved rows of pegs. When balls are dropped from the top, they bounce left or right upon hitting the pegs, eventually collecting into bins at the bottom. The distribution of ball columns in the bins forms an approximation of a bell curve, demonstrating a normal distribution.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"322\" height=\"600\" src=\"https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/GettyImages-691503838-322x600.jpg\" alt=\"Galton Board with distribution of ball in bell curve\" class=\"wp-image-69955\" srcset=\"https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/GettyImages-691503838-322x600.jpg 322w, https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/GettyImages-691503838-549x1024.jpg 549w, https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/GettyImages-691503838-768x1433.jpg 768w, https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/GettyImages-691503838-823x1536.jpg 823w, https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/GettyImages-691503838-1098x2048.jpg 1098w, https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/GettyImages-691503838-900x1679.jpg 900w, https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/GettyImages-691503838-scaled.jpg 1372w\" sizes=\"auto, (max-width: 322px) 100vw, 322px\" \/><\/figure><\/div>\n\n\n<div style=\"height:49px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Using Simcenter Amesim to model a Galton Board<\/h2>\n\n\n\n<p>To model this phenomenon, we have developed a 2D Mechanical Simcenter Amesim model. In this simulation, each ball interacts with the pegs individually, mimicking real-world behavior. It&#8217;s like observing a virtual world where each ball has its own unique journey.<\/p>\n\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"945\" height=\"946\" src=\"https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/Miguel.jpg\" alt=\"Monte Carlo study\" class=\"wp-image-69956\" srcset=\"https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/Miguel.jpg 945w, https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/Miguel-600x600.jpg 600w, https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/Miguel-150x150.jpg 150w, https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/Miguel-768x769.jpg 768w, https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/Miguel-900x901.jpg 900w\" sizes=\"auto, (max-width: 945px) 100vw, 945px\" \/><\/figure><\/div>\n\n\n<p>Subsequently, we conducted a Monte Carlo study, a commonly used method that utilizes random numbers to model and simulate real-life situations. This technique helps in understanding how various factors can influence outcomes by running multiple simulations with random inputs. In our case, it allows for the analysis of the statistical distribution of multiple runs under different boundary conditions. These conditions are defined by random signals, introducing slight variations in rotation torque and forces in both longitudinal and vertical directions at the beginning of the simulation.<\/p>\n\n\n\n<p>We illustrate two distinct paths that a ball can take based on varying initial boundary conditions:<\/p>\n\n\n\n<figure class=\"wp-block-gallery aligncenter has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"971\" height=\"735\" data-id=\"69958\" src=\"https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/Picture1-1.gif\" alt=\"Simulation of ball falling\" class=\"wp-image-69958\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"971\" height=\"735\" data-id=\"69959\" src=\"https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/Picture2-1.gif\" alt=\"Second simulation of ball falling\" class=\"wp-image-69959\"\/><\/figure>\n<\/figure>\n\n\n\n<div style=\"height:51px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Life finds a way, just like the balls<\/h2>\n\n\n\n<p>The trajectory results of six runs, each with different initial random boundary conditions, are presented in an X-Y plot.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"605\" height=\"365\" src=\"https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/XY-Plot-Trajectory-Results.png\" alt=\"The trajectory results of six runs in XY Plog\" class=\"wp-image-69962\" srcset=\"https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/XY-Plot-Trajectory-Results.png 605w, https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/XY-Plot-Trajectory-Results-600x362.png 600w\" sizes=\"auto, (max-width: 605px) 100vw, 605px\" \/><\/figure>\n\n\n\n<p>By conducting a Monte Carlo study with 100 different boundary conditions, we observe that the results align with statistical theory, showcasing a bell curve (normal distribution). As seen in the chart below, it is more likely for the balls to end up in the middle of the board, with decreasing probabilities as they move towards the edges:<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1916\" height=\"1005\" src=\"https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/MonteCarleStudy.png\" alt=\"Monte Carlo studay with 100 different boundary conditions\" class=\"wp-image-69987\" srcset=\"https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/MonteCarleStudy.png 1916w, https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/MonteCarleStudy-600x315.png 600w, https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/MonteCarleStudy-1024x537.png 1024w, https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/MonteCarleStudy-768x403.png 768w, https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/MonteCarleStudy-1536x806.png 1536w, https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/MonteCarleStudy-900x472.png 900w\" sizes=\"auto, (max-width: 1916px) 100vw, 1916px\" \/><\/figure>\n\n\n\n<p>It&#8217;s pretty wild to see how small changes at the beginning can lead to totally different outcomes! After running numerous simulations with a variety of starting setups, we noticed something cool \u2013 no matter how crazy the starting conditions were, the end results always ended up looking like a bell curve. It&#8217;s like chaos has a hidden sense of order to it!<\/p>\n\n\n\n<div style=\"height:56px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Only at the edge of chaos can complex systems flourish<\/strong><\/h2>\n\n\n\n<p>Parallelly, in a well-known novel and movie from the 90s, a mathematician discussed a similar theory, but he referred to chaos theory within the context of a park populated by prehistoric animals. He illustrated how complex systems, such as a natural ecosystem, can be unpredictable and susceptible to small changes, which could result in significant and unforeseen outcomes.<\/p>\n\n\n\n<p>Fortunately, now that we have digitally evolved, we can use Simcenter Amesim to predict outcomes through simulations, ensuring that no one will get hurt. Well, almost no one&#8230;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"546\" src=\"https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/Rex-in-Result-1024x546.png\" alt=\"\" class=\"wp-image-69960\" srcset=\"https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/Rex-in-Result-1024x546.png 1024w, https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/Rex-in-Result-600x320.png 600w, https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/Rex-in-Result-768x410.png 768w, https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/Rex-in-Result-900x480.png 900w, https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/Rex-in-Result.png 1504w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Embrace the digital evolution<\/h2>\n\n\n\n<p>Say goodbye to the constrains of the prehistoric era and embrace the digital evolution to enhance your engineering tasks with the cutting-edge capabilities of Simcenter Amesim. Don&#8217;t leave anything to chance and start accurately predicting the outcome of your systems.<\/p>\n\n\n\n<p>Visit our website for more information on <a href=\"https:\/\/plm.sw.siemens.com\/en-US\/simcenter\/systems-simulation\/amesim\/\" target=\"_blank\" rel=\"noreferrer noopener\">Simcenter Amesim<\/a>.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This blog examines how the Galton Board, a classic tool for understanding probability, aids in explaining complex systems, such as dinosaur evolution. By simulating randomness and natural selection, it draws parallels between statistical modeling and real-world biological processes, showcasing how engineering simulation can illuminate patterns in nature and deepen our understanding of evolutionary dynamics.<\/p>\n","protected":false},"author":45304,"featured_media":69961,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spanish_translation":"","french_translation":"","german_translation":"","italian_translation":"","polish_translation":"","japanese_translation":"","chinese_translation":"","footnotes":""},"categories":[1],"tags":[64002,64004,64003],"industry":[],"product":[590],"coauthors":[25112],"class_list":["post-69954","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-chaos","tag-galton","tag-probability","product-simcenter-amesim"],"featured_image_url":"https:\/\/blogs.sw.siemens.com\/wp-content\/uploads\/sites\/6\/2025\/11\/Rex-with-GUI-WhiteBackground.jpg","_links":{"self":[{"href":"https:\/\/blogs.sw.siemens.com\/simcenter\/wp-json\/wp\/v2\/posts\/69954","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.sw.siemens.com\/simcenter\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.sw.siemens.com\/simcenter\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.sw.siemens.com\/simcenter\/wp-json\/wp\/v2\/users\/45304"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.sw.siemens.com\/simcenter\/wp-json\/wp\/v2\/comments?post=69954"}],"version-history":[{"count":5,"href":"https:\/\/blogs.sw.siemens.com\/simcenter\/wp-json\/wp\/v2\/posts\/69954\/revisions"}],"predecessor-version":[{"id":69994,"href":"https:\/\/blogs.sw.siemens.com\/simcenter\/wp-json\/wp\/v2\/posts\/69954\/revisions\/69994"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blogs.sw.siemens.com\/simcenter\/wp-json\/wp\/v2\/media\/69961"}],"wp:attachment":[{"href":"https:\/\/blogs.sw.siemens.com\/simcenter\/wp-json\/wp\/v2\/media?parent=69954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.sw.siemens.com\/simcenter\/wp-json\/wp\/v2\/categories?post=69954"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.sw.siemens.com\/simcenter\/wp-json\/wp\/v2\/tags?post=69954"},{"taxonomy":"industry","embeddable":true,"href":"https:\/\/blogs.sw.siemens.com\/simcenter\/wp-json\/wp\/v2\/industry?post=69954"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/blogs.sw.siemens.com\/simcenter\/wp-json\/wp\/v2\/product?post=69954"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/blogs.sw.siemens.com\/simcenter\/wp-json\/wp\/v2\/coauthors?post=69954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}