Policy Consideration 6

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A coherent long-term funding mechanism must be found to support maintenance of the mathematical modeling codes implementing the effects of ionizing radiation on materials.

Outside the United States, these computer codes are more openly shared amongst the radiation community. For example, the International Atomic Energy Agency (IAEA) has recently published a booklet on the Use of Mathematical Modeling in Electron Beam Processing: A Guidebook and when purchased in hard copy (42 Euros) includes a disk with the commonly used codes on it. A major code, the ITS Tiger code, was developed decades ago at NIST. However, access and distribution of such codes within theUnited States is cumbersome with excessive royalties having to be paid to the Oak Ridge National Laboratory (ORNL) to acquire some of these codes. ORNL is not structured as is NIST to deal with the broad base user community, including academia for use in teaching students the use of these codes, as is NIST. The user community would like access to these codes, but code repositories use licensing fees to support database maintenance which severely limits users and retards the growth of a robust community to move this work forward. US Congress must find a coherent long term funding mechanism to support and maintain these vital computational codes and databases to foster continued development and greater participation from younger generations of scientists.