{"id":356532,"date":"2024-03-12T02:14:48","date_gmt":"2024-03-12T02:14:48","guid":{"rendered":"\/forum\/forums\/topic\/aqwa-heaving-bouy\/"},"modified":"2024-03-12T02:14:48","modified_gmt":"2024-03-12T02:14:48","slug":"aqwa-heaving-bouy","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/aqwa-heaving-bouy\/","title":{"rendered":"AQWA: heaving bouy"},"content":{"rendered":"<div class=\"flex-1 overflow-hidden\">\n<div class=\"react-scroll-to-bottom--css-mplrk-79elbk h-full\">\n<div class=\"react-scroll-to-bottom--css-mplrk-1n7m0yu\">\n<div class=\"flex flex-col text-sm pb-9\">\n<div class=\"w-full text-token-text-primary\" data-testid=\"conversation-turn-3\">\n<div class=\"px-4 py-2 justify-center text-base md:gap-6 m-auto\">\n<div class=\"flex flex-1 text-base mx-auto gap-3 md:px-5 lg:px-1 xl:px-5 md:max-w-3xl lg:max-w-[40rem] xl:max-w-[48rem] group final-completion\">\n<div class=\"relative flex w-full flex-col agent-turn\">\n<div class=\"flex-col gap-1 md:gap-3\">\n<div class=\"flex flex-grow flex-col max-w-full\">\n<div class=\"min-h-[20px] text-message flex flex-col items-start gap-3 whitespace-pre-wrap break-words [.text-message+&amp;]:mt-5 overflow-x-auto\" data-message-author-role=\"assistant\" data-message-id=\"39f29c8e-ecde-4d29-bcf7-222d7b3b1cee\">\n<div class=\"markdown prose w-full break-words dark:prose-invert light\">\n<p>I am analyzing a cylinder in waves with AQWA and have 2 questions:<\/p>\n<p>In the time domain, when I want to obtain the response of the buoy in heave (using a joint that only allows it one degree of freedom), I simply deactivate the other degrees of freedom. Is it accurate to say that the buoy is constrained to only heave in reality?<\/p>\n<p>However, in the frequency domain, when calculating the Response Amplitude Operator (RAO), there is no deactivation option. Does this mean that our buoy has degrees of freedom in different directions?<\/p>\n<p>What should I do to introduce a joint that allows our buoy to only have motion in the Z direction? Additionally, what types of joints should I use to incorporate a damper in the system, as shown in the attached photo<button class=\"flex items-center gap-1.5 rounded-md p-1 text-xs text-token-text-tertiary hover:text-token-text-primary md:invisible md:group-hover:visible md:group-[.final-completion]:visible\"><\/button><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/03\/12-03-2024-1710209570-mceclip0.png\" width=\"228\" height=\"191\"><\/p>\n","protected":false},"template":"","class_list":["post-356532","topic","type-topic","status-closed","hentry","topic-tag-ansys-aqwa","topic-tag-ansysaqwa","topic-tag-aqwa","topic-tag-joints-ansys-aqwa-1"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I am analyzing a cylinder in waves with AQWA and have 2 questions:In the time domain, when I want to obtain the response of the buoy in heave (using a joint that only allows it one degree of freedom), I simply deactivate the other degrees of freedom. Is it accurate to say that the buoy\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/aqwa-heaving-bouy\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"AQWA: heaving bouy | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"I am analyzing a cylinder in waves with AQWA and have 2 questions:In the time domain, when I want to obtain the response of the buoy in heave (using a joint that only allows it one degree of freedom), I simply deactivate the other degrees of freedom. 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