{"id":2303,"date":"2023-10-05T12:25:43","date_gmt":"2023-10-05T12:25:43","guid":{"rendered":"https:\/\/35.94.173.37\/blog\/?p=2303"},"modified":"2026-02-26T18:49:13","modified_gmt":"2026-02-26T18:49:13","slug":"calculating-strain-from-load-with-ni-compactdaq-test-equipment","status":"publish","type":"post","link":"https:\/\/www.apexwaves.com\/blog\/calculating-strain-from-load-with-ni-compactdaq-test-equipment\/","title":{"rendered":"Calculating Strain from Load with NI CompactDAQ Test Equipment"},"content":{"rendered":"\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-audio\"><audio controls src=\"https:\/\/www.apexwaves.com\/blog\/wp-content\/uploads\/2023\/10\/Calculating-Strain-from-Load-with-cDAQ.mp3\"><\/audio><figcaption class=\"wp-element-caption\"><strong><em>Click here to listen to this post.<\/em><\/strong><\/figcaption><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"has-text-align-left has-text-align-left\">Strain is a critical parameter in various test and measurement applications, offering insights into how materials and structures deform under the influence of applied loads. In this blog post, we will explore how to calculate strain from load using <strong>NI CompactDAQ <\/strong>test equipment, and dive into the significance of these calculations across different fields.<\/p>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading has-text-align-left has-black-color has-text-color has-link-color wp-elements-776fced784346d4455fa41dae98a3585\" style=\"font-size:25px\"><strong>Calculating Strain from Load<\/strong><\/h2>\n\n\n\n<p class=\"has-text-align-left has-text-align-left\">To calculate strain from load using <strong>CompactDAQ<\/strong>, you will need the following information:<\/p>\n\n\n\n<p class=\"has-text-align-left has-text-align-left\"><strong>&gt;<\/strong>&nbsp;The load applied to the object (<em>in Newtons<\/em>, N).<br>\n<strong>&gt;<\/strong>&nbsp;The cross-sectional area of the object (<em>in square meters<\/em>, m\u00b2).<br>\n<strong>&gt;<\/strong>&nbsp;The Young\u2019s modulus of the material (<em>in Pascals<\/em>, Pa). The Young\u2019s modulus characterizes the material\u2019s stiffness and can be found in material property tables.<\/p>\n\n\n\n<figure class=\"wp-block-pullquote has-text-align-center\"><blockquote><p>The formula for calculating strain is as follows:<br><strong>strain = load \/ (cross-sectional area * Young\u2019s modulus)<\/strong><\/p><\/blockquote><\/figure>\n\n\n\n<p class=\"has-text-align-left has-text-align-left\">For example, if you have a steel rod with a cross-sectional area of&nbsp;<strong>0.001 m\u00b2<\/strong>&nbsp;and a Young\u2019s modulus of&nbsp;<strong>200 GPa<\/strong>, and you apply a load of&nbsp;<strong>1000 N<\/strong>, the strain in the rod would be:<\/p>\n\n\n\n<p class=\"has-text-align-left\">strain = 1000 N \/ (0.001 m\u00b2 * 200 GPa)<br>strain \u2248\u00a0<strong>5 \u00b5\u03b5<\/strong>\u00a0(microstrain)<\/p>\n\n\n\n<p class=\"has-text-align-left has-text-align-left\">In many cases, strain measurement is accomplished using&nbsp;<strong>strain gauges<\/strong>, which are versatile devices designed to measure the change in length of an object under load. The strain gauge is attached to the object of interest, and as load is applied, it measures the deformation, allowing for strain calculation.<\/p>\n\n\n\n<figure class=\"wp-block-image is-layout-flex wp-block-gallery-1 wp-block-gallery has-nested-images columns-default is-cropped\"><img decoding=\"async\" src=\"https:\/\/www.apexwaves.com\/blog\/wp-content\/uploads\/2023\/10\/cdaq-9174-angle.jpg\" alt=\"Angled view of the cDAQ-9174 chassis\" class=\"wp-image-2435\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-left has-black-color has-text-color\" style=\"font-size:25px\"><strong>Applications of Strain Measurement with CompactDAQ<\/strong><\/h2>\n\n\n\n<p class=\"has-text-align-left has-text-align-left\"><strong>Structural Health Monitoring<\/strong>: Strain gauges are used to monitor bridges, buildings, and other structures for signs of deformation or stress, helping detect potential issues before they become severe.<\/p>\n\n\n\n<p class=\"has-text-align-left has-text-align-left\"><strong>Aerospace Engineering<\/strong>: Strain gauges are crucial for measuring strain on aircraft components during flight, ensuring safety and optimizing performance.<\/p>\n\n\n\n<p class=\"has-text-align-left has-text-align-left\"><strong>Automotive Engineering<\/strong>: In automotive testing, strain gauges help measure the strain on various vehicle parts such as frames and suspension components, contributing to enhanced strength and durability.<\/p>\n\n\n\n<p class=\"has-text-align-left has-text-align-left\"><strong>Manufacturing<\/strong>: Strain gauges are applied to monitor strain on manufactured parts during production, ensuring they meet quality standards.<\/p>\n\n\n\n<p class=\"has-text-align-left has-text-align-left\">NI offers two&nbsp;<strong>cDAQ Strain and Load Measurement Bundles<\/strong>&nbsp;to assist with testing across various applications. The&nbsp;<strong>cDAQ-SL1100 Bundle<\/strong>&nbsp;features the&nbsp;<a href=\"https:\/\/www.apexwaves.com\/modular-systems\/national-instruments\/compactdaq\/cDAQ-9171\"><strong>cDAQ-9171<\/strong><\/a>&nbsp;chassis and the&nbsp;<a href=\"https:\/\/www.apexwaves.com\/modular-systems\/national-instruments\/c-series\/NI-9237\"><strong>NI-9237<\/strong><\/a>&nbsp;bridge input module. For testing applications that need more slots, the&nbsp;<strong>cDAQ-SL4201 Bundle<\/strong>&nbsp;features the&nbsp;<a href=\"https:\/\/www.apexwaves.com\/modular-systems\/national-instruments\/compactdaq\/cDAQ-9174\"><strong>cDAQ-9174<\/strong><\/a>&nbsp;chassis with the&nbsp;<strong>NI-9237<\/strong>. Additionally, both bundles include the&nbsp;<strong><a href=\"https:\/\/www.apexwaves.com\/test-measurement-misc\/national-instruments\/terminal-blocks\/NI-9945\">NI-9945<\/a><\/strong>&nbsp;terminal block, the&nbsp;<strong><a href=\"https:\/\/www.apexwaves.com\/modular-systems\/national-instruments\/accessories\/NI-9949\">NI-9949<\/a><\/strong>&nbsp;RJ-50 to screw terminal accessory, and an&nbsp;<strong>RJ50-RJ50<\/strong>&nbsp;cable.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.apexwaves.com\/blog\/wp-content\/uploads\/2023\/10\/simon-kadula-8gr6bObQLOI-unsplash-1-1024x683.jpg\" alt=\"Orange robotic arms in an automotive manufacturing plant\" class=\"wp-image-2437\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-left has-black-color has-text-color has-link-color wp-elements-8dd2fc492c4dc73b35acfcb5fc5df3bf\" style=\"font-size:25px\"><strong>BENEFITS OF USING COMPACTDAQ FOR STRAIN MEASUREMENT<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-left has-text-align-left\">CompactDAQ test equipment offers a host of advantages for strain measurement applications. Firstly, its strain gauge modules are renowned for their&nbsp;<strong>precision<\/strong>, ensuring accurate and dependable measurements even in demanding environments. Secondly, the versatility of CompactDAQ systems shines through in their ability to be tailored with various strain gauge modules, making them&nbsp;<strong>adaptable&nbsp;<\/strong>to a wide spectrum of applications. Moreover, their&nbsp;<strong>portability&nbsp;<\/strong>stands out as a key benefit, as these systems can be effortlessly transported to different test sites, providing flexibility and convenience.<\/p>\n\n\n\n<p class=\"has-text-align-left has-text-align-left\">Lastly, the<strong>&nbsp;user-friendly<\/strong>&nbsp;nature of CompactDAQ systems simplifies the measurement process, further enhanced by the inclusion of a range of software tools designed for data acquisition, analysis, and visualization. Collectively, these features make CompactDAQ an invaluable tool for those seeking reliable and efficient strain measurement solutions.<\/p>\n\n\n\n<p class=\"has-text-align-left has-text-align-left\">Strain measurement plays a pivotal role in understanding how materials and structures respond to external forces. NI CompactDAQ test equipment, along with strain gauges, offers a versatile and accurate solution for measuring strain in various applications, including structural health monitoring, aerospace engineering, automotive testing, and manufacturing. Its reliability, versatility, and ease of use make it an invaluable tool for engineers and researchers seeking to gain insights into the behavior of materials and components under load.<\/p>\n\n\n\n<p class=\"has-text-align-left has-black-color has-text-color has-link-color wp-elements-57918f074d28cc5a4c4313c1d69e22a5\" style=\"font-size:25px\"><strong>ADDITIONAL INFORMATION<\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-outline is-style-outline--1\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.ni.com\/en\/shop\/data-acquisition-and-control\/strain-and-load\/what-is-the-compactdaq-strain-and-load-measurement-bundle.html\">cDAQ Bundles<\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-outline is-style-outline--2\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.ni.com\/en\/shop\/data-acquisition\/sensor-fundamentals\/measuring-strain-with-strain-gages.html?srsltid=AfmBOopPMiQET1mEwadxTA9KIb58sE-csm8BQR4V1JRQcj3u5PhkmMuK\">Measuring with Strain Gages<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Strain is a critical parameter in various test and measurement applications, offering insights into how materials and structures deform under the influence of applied loads. In this blog post, we will explore how to calculate strain from load using NI CompactDAQ test equipment, and dive into the significance of these calculations across different fields.<\/p>\n","protected":false},"author":1,"featured_media":2819,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8,10],"tags":[103,115,135,345,393,437,879,880,910,921],"class_list":["post-2303","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-national-instruments","category-technology","tag-calculations","tag-cdaq","tag-compactdaq","tag-manufacturing","tag-national-instruments","tag-ni","tag-strain","tag-strain-gauges","tag-technology","tag-test-equipment"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/posts\/2303","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/comments?post=2303"}],"version-history":[{"count":3,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/posts\/2303\/revisions"}],"predecessor-version":[{"id":3647,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/posts\/2303\/revisions\/3647"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/media\/2819"}],"wp:attachment":[{"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/media?parent=2303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/categories?post=2303"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/tags?post=2303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}