Click and drag to navigate around the shown spin system. The red configurable button (left) offers a selection of starting points for MR experiments (incl. samples). The neighboring buttons trigger a wide variety of events such as RF and gradient pulses. The left menu is used to set field, viewing and relaxation properties. The icons to the right offer more viewing options, e.g. specific viewing angles.
Video introductions to the Bloch Simulator are available from YouTube™. Currently these demonstrate the older Flash™/ActionScript™-based version that is still available at the main software homepage. The new version is somewhat similar but much functionality was added.
The Bloch Simulator is available as a free app for Android™ devices via Google Play™ and Huawei AppGallery™. The app improves the user experience considerably over the web page for small devices. Similar apps for iOS™ and possibly other platforms will soon follow (ask).
Feedback is appreciated. Please rate and comment in the appropriate app store.
Other educational NMR/MRI tools by Lars G. Hanson:
The CompassMR Simulator and Android™ app giving insight into basic MR
Interactive FID and Spectrum Explorers
Lots of other material (notes, animations, explanations,...)
The Bloch Simulator (here version 1.0.9) was created by Lars G. Hanson (DTU, DRCMR) to aid challenging MRI and NMR education. You can interactively perform Magnetic Resonance measurements in almost any browser. The app is currently only for Android™ though.
Your feedback is most welcome, but support limited for this open-sourced hobby project (channels: app store, YouTube™, LinkedIn™, GitHub™, fist bumps at conferences, e-mail). Click for main software homepage.
The Bloch Simulator is designed for landscape screen mode only, and will likely look horrible unless your device is rotated.
On small devices, the corresponding app will give you a better experience due to improved screen usage. Click for Android app info.
The Bloch Simulator requires the browser functionality WebGL to work (graphics
accelleration). Advice for checking and enabling it is here:
https://get.webgl.org
This is the Bloch Simulator offering interactive exploration of Magnetic Resonance and a wide range of MRI and NMR techniques. This version replaces the older Flash™ version. The corresponding Android™ app improves the experience on small devices. Reduce window size for smoother animations. Please report errors.
The top-left menu item will help you get started. Enjoy!