1. PHOENICS User Meeting 2006 PHOENICS Today In-Form, 1 In-Form is the third stage in the process of helping users to extend the simulation capability of PHOENICS. The stages have been as follows: 1.In the beginning (1981), user programming (GROUND); needed re-compilable PHOENICS. 2.In 1998, automatic programming (PLANT); needed re-compilable PHOENICS. 3.Since 2001, In-Form, providing PLANTs power; does not need re-compilable PHOENICS.

2. PHOENICS User Meeting 2006 PHOENICS Today In-Form, 2 In-Form stands for INput of data via FORMulae. It is designed for mid-field PHOENICS users who are: literate, numerate, and unwilling to be confined to clicking on the options which the package provides; i.e. those who do not want to be like this…

3. PHOENICS User Meeting 2006 PHOENICS Today The mouses revenge The prisoner of the mouse!

4. PHOENICS User Meeting 2006 PHOENICS Today In-Form, 3 In-Form was introduced to PHOENICS several years ago; and it is well-loved by cognoscenti. But its relations with the VR editor are somewhat uneasy; and users who edit Q1 files by hand must protect their In-Form statements by begin and end barriers. Otherwise they will be at best ignored and at worst deleted.

5. PHOENICS User Meeting 2006 PHOENICS Today In-Form, 4 In-Form is being used for innumerable purposes, including: 1. creating initial-value distributions; 2. introducing boundary conditions and sources; 3. defining material properties; 4. computing exact-solution values for checking PHOENICS computations; 5. creating transfer objects (new); and 6. adjusting diffusion, convection and source terms locally (new).

6. PHOENICS User Meeting 2006 PHOENICS Today In-Form, 5 There is time here to present only one example. For this I have chosen the Virtual Wave Tank which can be used for simulating surface- and submarine- ship motions and forces on under-water structures. I use an htm file for this, as follows:htm

7. PHOENICS User Meeting 2006 PHOENICS Today How to learn about In-Form There are ready-to-run cases in the Commander. The Commanders library-search facility will lead you to more. The encyclopaedia article is extensive. There are two tutorials. But now for a new development…

8. PHOENICS User Meeting 2006 PHOENICS Today PRELUDE can help PRELUDE now uses In-Form nomenclature for defining sources, initial values, etc. Moreover its menu system offers examples for users to select or modify. The reason is that PRELUDE is both numerate and literate! You will learn more about this later.