ABSTRACT
Simplespringelementscanundergotensionandhavetwodegreesoffreedombecauseeachendof thebeamispermittedtomoveindependentlyinthedirectionofthemajoraxisofthespring.However, elementswithmoredegreesoffreedommayberequiredtoallowothermovementssuchasbending.The selectionofelementtypealsodeterminesthedegreesoffreedominamodel.
