Arena Newsletter and Blog

Launch Probability in NASA Space Launch System

Posted by Grant Cates, Ph.D. on Oct 3, 2017 9:33:00 PM

Launcher’s Lurgy causes space launch vehicles to be delayed relative to their planned launch date. The disorder is similar in nature to Loser’s Lurgy, a condition causing Quidditch players to perform poorly, first described by Luna Lovegood in J.K. Rowling’s enormously successful Harry Potter series. Pretty much all rockets have Launcher’s Lurgy with launch delays being all too annoyingly common. For example, a quick search on the word “delayed” on Spaceflight Now’s launch history log web page[1] results in more than 100 matches (the search engine’s limit). There is no known cure for Launcher’s Lurgy but simulation modeling can be used to develop predictions for how many launches can be achieved over a particular time period and when any particular launch of interest is likely to launch by.

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Taking the Uncertainty Out of Planning and Scheduling

Posted by Rob Kranz on Oct 3, 2017 9:31:00 PM

An Old Danish proverb says,

It is difficult to make predictions, especially about the future. 

Yet, businesses rely upon predictions and forecasts to make decisions each and every day; for better or for worse.

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Building Reusable, Flexible, and Scalable Models

Posted by André Jacques on Jul 27, 2017 9:43:00 PM

Data driven models are quick to develop, yet powerful for complex processes. SimWell, our Premier Partner in Canada, has put together this four part series which will explain what Data Driven Models are, why they are important, and how to begin making your own in Arena.

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Topics: Logistics, Tips & Tricks, Port & Terminal, Project Management, Supply Chain

5 Suppliers to 100 Different Customers with 17 Modules

Posted by André Jacques on Jul 27, 2017 9:42:00 PM

Data-Driven Supply Chain Model Built with Arena

Using Arena, it is easy to build a supply chain simulation model where trucks deliver material from 5 supplier sites to 100 different customer locations. Data-driven models are a very powerful type of simulation models, which rely on data to drive the actions taking place. This model only requires 17 modules of flowchart logic and creating animation is not mandatory. Andre at SimWell, our Premier Partner in Canada, has created a video to further explain how to build such a model, using the following data driven tools:

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Major Electronics Manufacturer Saves Over $50 Million with Supply Chain Optimization

Posted by Arena Simulation Case Study on Jul 27, 2017 9:39:00 PM

The Challenge

Redesign the company’s supply chain so they could share resources and channels in a forward and reverse logistics supply chain.

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Improving On Time Delivery

Posted by Tyler DiFrischia on Jul 27, 2017 9:37:00 PM

Time is our most precious commodity, and wasting even the smallest amount can be detrimental to your business.

In a previous role, I worked in logistics, specifically with manufacturers in the northeastern United States. Every job we performed required specific arrival, processing, and departure times. Any extra downtime would increase costs both internally on labor and externally on driver detention (see Issue Type – Driver Detention). On one job in particular, we had a series of trucks arriving over four nights, three trucks at a time. Each truck had a specific arrival time of 5:00PM, 7:00PM, and 9:00PM. If we weren’t on time we typically saw costs of:

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Keep Calm and Stay Organized

Posted by Nancy Zupick on Jun 1, 2017 9:48:00 PM

It comes as no surprise that being organized is the key to success in project management and that means creating a functional specification.  Whether you are building one model you are going to use for analysis or two or three, organization is key.  A critical aspect of organization will be defining those elements that you are going to use in the model or share across models.  Taking the time to define the key resources, variables, attributes and other elements will allow you to potentially create one master database to test your models, saving you time and helping to keep your analysis organized as well.  Members of the Arena Consulting Team have employed this technique with great success, using one master database structure and two very different models for a client to test out potential design ideas. 

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Topics: Tips & Tricks, Project Management

Planning Flexibility Into Complex Models

Posted by Melanie Barker on Jun 1, 2017 9:47:00 PM

In this month’s case study, one of the chief goals of the simulation model was to test several potential operational modifications. When there are several changes to test, the questions arise:

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Topics: Manufacturing, Packaging, Consultant's Corner, Project Management, Healthcare

Cancer Treatment Facility Reduces Patient Time in Clinic by 25% with Arena

Posted by Arena Simulation Case Study on Jun 1, 2017 9:46:00 PM

The Challenge

Demand increased 133%, and the clinic had to reduce wait time and improve flow in a complex and highly variable process.

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The Problem is Process, Not People

Posted by Jon Santavy on Jun 1, 2017 9:44:00 PM

If your team is consistently underperforming, you’ve got a tough road ahead.  I hate to break it to you, but in our consulting practice we find that people can and want to perform well, and it’s most often the systems put in place that force underperformance. 

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Topics: Project Management, Healthcare

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