Dear colleagues, we are delighted to invite you to contribute to a special issue of the journal Processes dedicated to "Process Modelling and Simulation". This issue aims to collect novel developments in the field to address the challenges brought by the use of models in its different facets and to reflect the state of the art in methods, tools and applications. Topics include, but are not limited to: * Modelling methodologies * Model development * Model online adaptation * Parameter estimation * Process-model uncertainty quantification * Simulation environments * Grey-box models * Hybrid modelling * Multiscale systems * Numerical methods * Distributed models * Model reduction * Data-driven models * Applications illustrating recent advances and/or oustanding research gaps in the above areas For more information, please visit the special issue's website at http://www.mdpi.com/journal/processes/special_issues/process_model How to Submit Deadline for manuscript submissions: *31 January 2019* 1. Instructions for Authors: http://www.mdpi.com/journal/processes/instructions 2. Manuscripts are expected to be submitted through the online system at https://susy.mdpi.com/user/manuscripts/upload/ Publication Charges In view of the Open Access nature of Processes, accepted papers will be subject to an Article Processing Charge as follows: * papers submitted before 1 July 2018: 350 CHF per paper. * papers submitted after 1 July 2018: 680 CHF per paper. For details, please see: http://www.mdpi.com/about/apc. About Processes Processes (ISSN 2227-9717; http://www.mdpi.com/journal/processes) is a journal published by MDPI AG, Basel, Switzerland. Processes maintains rigorous peer-review and a rapid publication process. *Open Access* (http://www.mdpi.com/about/openaccess): free for readers, with publishing fees paid by authors or their institutions. (http://www.mdpi.com/journal/processes/apc<http://www.mdpi.com/journal/catalysts/apc>). *High visibility*: indexed by the Science Citation Index Expanded (Web of Science), Scopus and other databases. (http://www.mdpi.com/journal/processes/indexing) *Rapid publication*: Manuscripts are peer-reviewed and a first decision provided to authors approximately 20 days after submission; acceptance to publication is undertaken in 6.6 days (median values for papers published in this journal in 2017). We look forward to receiving your contributions! Prof. Cesar de Prada Dr. Jose Luis Pitarch Prof. Costas Pantelides Universidad de Valladolid Universidad de Valladolid Process Systems Enterprise Ltd. & Imperial College London _________________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service.