Summer 2004

Newsletter Home | Contact | GRC

 

 

Version 8.1 Sneak Peak

Version 8.10 of GoldSim will be released this fall, and will include a number of significant new capabilities, including an enhanced spreadsheet interface capability, an optimization module, and the ability to have varying time steps in GoldSim models and within Container elements. A quick preview of a few of these new capabilities is provided below.

Spreadsheet Enhancements

We've redesigned the Spreadsheet element to make it even easier to access Excel® spreadsheets from within GoldSim.

With the new version you can visually map your GoldSim inputs and outputs onto regions of your spreadsheet.

You can also specify whether a spreadsheet is to be used as a data source for GoldSim, as a destination for GoldSim results, or as a function that is calculated every timestep.

In addition, you can specify indexing rules for the spreadsheet, so that GoldSim will use a specified offset to locate values as a function of the model's timestep or realization number. For example, this woud you allow you to read from or write to a different range of sheet of the spreadsheet based on realization number or timestep.

In version 8.10 you will also be able to automatically download spreadsheet data into a Time-Series Element or a Table element at the beginning of your simulation.

We are also adding the capability to export time histories from a Result element into a spreadsheet at the end of a simulation. This allows you to automate saving of these results, and avoids having to manually cut and paste.

New Table Element

The new Table element is easier to use than the old versions, and combines the 1-d, 2-d and 3-d tables into a single, friendlier element.

Optimization Module

We're adding an optimization capability in version 8.10. This will let you adjust input variables for your GoldSim model in order to optimize its results. You can use the optimization module in order to optimize your system design or your strategic plan. The Optimization Module will also allow you to achieve the optimal calibration of your GoldSim model to historical data.

Dynamic Timesteps

Sometimes an event changes a system's behavior, and shorter timesteps are required in order to get accurate results for a period of time following the event. GoldSim version 8.10 allows you to specify a timestep length that varies dynamically, enabling you to handle this kind of situation. For example, you could instruct GoldSim to shorten the timestep for the two weeks after a specified event occurs.

You can also specify a timestep length for a specific Container that is shorter than the timestep lenght for the model at large. This can be very efficient if most of your system responds quite slowly, but a part of it is highly dynamic and requires shorter timesteps. Instead of slowing the entire model down by specifying short global timesteps you can simply control the step length for the appropriate subsystem.



© 2004 GoldSim Technology Group LLC. If you wish to unsubscribe to this Newsletter, visit our website www.goldsim.com/enews. If someone else forwarded this Newsletter to you, and you wish to subscribe, you can also do so at www.goldsim.com/enews.