A test fixture for securing a test article , the test fixture comprising: a frame defining an upper portion and a lower portion , wherein the lower portion of the frame is configured to be releasably mounted to a vibration device ; an upper grip connected to the upper portion of the frame and a lower grip connected to the lower portion of the frame , wherein the upper grip is configured to secure an upper portion of the test article along an upper interface , the lower grip is configured to secure a lower portion of the test article along a lower interface , and the upper interface and the lower interface both define a boundary where the test article and either the upper grip or the lower grip engage with one another a cooling assembly configured to transport a cooling medium across at least one of the upper interface and the lower interface ; and the test fixture being characterized by a tensioner assembly located at the upper portion of the test fixture , wherein the tensioner assembly is connected to the upper grip and includes an adjustment mechanism configured to urge the upper grip in an upward direction towards the upper portion of the frame and by an upper adapter plate configured to connect the tensioner assembly to the upper grip , wherein the adjustment mechanism is configured to urge the adapter plate in the upward direction, wherein the adjustment mechanism is a plurality of tension bolts that each define a shank , and wherein the shank of each tension bolt is connected to the upper adapter plate such that as the tension bolts are tightened the upper adapter plate is urged in the upward direction. a frame defining an upper portion and a lower portion , wherein the lower portion of the frame is configured to be releasably mounted to a vibration device ; an upper grip connected to the upper portion of the frame and a lower grip connected to the lower portion of the frame , wherein the upper grip is configured to secure an upper portion of the test article along an upper interface , the lower grip is configured to secure a lower portion of the test article along a lower interface , and the upper interface and the lower interface both define a boundary where the test article and either the upper grip or the lower grip engage with one another a cooling assembly configured to transport a cooling medium across at least one of the upper interface and the lower interface ; and the test fixture being characterized by a tensioner assembly located at the upper portion of the test fixture , wherein the tensioner assembly is connected to the upper grip and includes an adjustment mechanism configured to urge the upper grip in an upward direction towards the upper portion of the frame and by an upper adapter plate configured to connect the tensioner assembly to the upper grip , wherein the adjustment mechanism is configured to urge the adapter plate in the upward direction, wherein the adjustment mechanism is a plurality of tension bolts that each define a shank , and wherein the shank of each tension bolt is connected to the upper adapter plate such that as the tension bolts are tightened the upper adapter plate is urged in the upward direction. <EOS>