The phrase "except for special cases" is correct and can be used in written English.
You can use it when you want to express that something generally holds true, but there are certain exceptions. For example, "No pets are allowed in the building, except for special cases."
Except for special cases (addressed in Part II), the obtained solutions show singularities at the inclusion corners and at the crack and stiffener ends, where the stress blows-up to infinity, and is therefore detrimental to strength.
The Harvard dictionary shown in the spreadsheet was expanded in 1998 to include almost all words, except for special cases such as proper names, that occur 4 or more times per million according to the Thorndyke-Lorge counts.
When in the design of structures extreme loadings such as short time, high intensity dynamic pressure (explosion), impact or earthquake have to be taken into consideration then, except for special cases, the plastic reserves of the material can be utilized, but the development of excessive plastic deformations, residual displacements and the collapse have to be prevented.
Unfortunately, except for special cases, it is hard to find good codebooks.
Except for special cases, the above analytical computation is not so much easy job.
Article 2. Party A remunerates party B in cash, and the last days of each month are the dates for the payment of wages of the previous month, except for special cases.
Therefore, public utilities are directly responsible for service provision, except for some special cases defined in the law, in which municipalities can offer the services directly.
While for the linear model analytical solutions and stability conditions are available, it is not generally the case for non-linear system except for some special cases.
Even for this simple network, except for the special cases when "fast transition" between on- and off- operator states and "small noise" of high molecular concentration conditions are assumed, no exact solutions are known [ 8, 18].
