The phrase "a rigid framework" is correct and usable in written English.
It can be used to describe a strict structure or set of rules that does not allow for flexibility or change.
Example: "The project was constrained by a rigid framework that limited our ability to innovate."
Alternatives: "a strict structure" or "a fixed framework."
Tent, portable shelter, consisting of a rigid framework covered by some flexible substance.
This power structure encloses all relations between citizens and police within a rigid framework, characterised by distance and defiance.
Programming and composing music both rely on a rigid framework (music has notes and rhythmic structures, coding has data types and operations).
The earliest upholsterers, from early Egyptian times to the beginning of the Renaissance, nailed animal skins or dressed leather across a rigid framework.
The flat, bowed, box, sled, and delta require a rigid framework fitted with a sail material, as does the compound, which is formed by integrating two or more of the above types to form one kite.
If the judges on "American Idol," whose third season is under way, have established a rigid framework for thinking about pop music success, Ms. Banks and her colleagues are on their way to providing a handbook to pop beauty, complete with its own lexicon.
Instead, our own government has taken Hong Kong through a sham consultation and we now have a very rigid framework handed down by Beijing that in effect says to the people of Hong Kong: you can have one person, one vote, provided we pre-screen all the candidates so that we are 100% in control of the final outcome.
Given the graph and distance-bearing sets of a globally rigid framework, there is not enough information to position the framework absolutely in ℝ2.
Given the graph and distance set of a globally rigid framework, relative localization is feasible; yet there is not enough information to position the framework absolutely in ℝ2.
Acid hydrolysed tetraethoxysilane (TEOS) was used to form an interpenetrating, rigid framework of silica, whereas Eudragit® NE (a copolymer based on ethyl acrylate and methyl methacrylate) was added to produce a more flexible polymeric network.
Analysis of the impact of interaction and experience on quality components such as "usability", "producibility", "reliability", "sustainability" and "aesthetics" is presented using the case of engineering design, a discipline that traditionally has an image of being a strictly calculated, rigid framework.
